Answer the following question: Information:  - The Millennium Stadium, currently known for sponsorship purposes as the Principality Stadium, is the national stadium of Wales, located in Cardiff. It is the home of the Wales national rugby union team and has also staged games of the Wales national football team. Initially built to host the 1999 Rugby World Cup, it has gone on to host many other large-scale events, such as the Tsunami Relief concert, the Super Special Stage of Wales Rally Great Britain, the Speedway Grand Prix of Great Britain and various music concerts. It also hosted six FA Cup finals and several other high-profile football fixtures whilst Wembley Stadium was being redeveloped.  - A multi-sport event is an organized sports event, often held over multiple days, featuring competition in many different sports between organized teams of athletes from (mostly) nation states. The first major, modern, multi-sport event of international significance is the modern Olympic Games.  - England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west. The Irish Sea lies northwest of England and the Celtic Sea lies to the southwest. England is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain (which lies in the North Atlantic) in its centre and south; and includes over 100 smaller islands such as the Isles of Scilly, and the Isle of Wight.  - London is the capital and most populous city of England and the United Kingdom, as well as the most populous city proper in the European Union. Standing on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it "Londinium". London's ancient core, the City of London, largely retains its medieval boundaries. Since at least the 19th century, "London" has also referred to the metropolis around this core, historically split between Middlesex, Essex, Surrey, Kent, and Hertfordshire, which today largely makes up Greater London, governed by the Mayor of London and the London Assembly.  - The 2012 Summer Paralympics, the fourteenth Summer Paralympic Games, and also more generally known as the London 2012 Paralympic Games, were a major international multi-sport event for athletes with disabilities governed by the International Paralympic Committee (IPC), that took place in London, England from 29 August to 9 September 2012. These Paralympics were one of the largest multi-sport events ever held in the United Kingdom after the 2012 Summer Olympics, and were the largest Paralympics ever: 4,302 athletes from 164 National Paralympic Committees participated, with fourteen countries appearing in the Paralympics for the first time ever. A total of 503 events in 20 sports were held during these games; for the first time since their suspension after the 2000 Paralympics, events for the intellectually disabled were also held in selected sports.  - Cardiff is the capital and largest city in Wales and the eleventh-largest city in the United Kingdom. The city is the country's chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for Wales. The unitary authority area's mid-2011 population was estimated to be 346,100, while the population of the Larger Urban Zone was estimated at 861,400 in 2009. The Cardiff metropolitan area makes up over a third of the total population of Wales, with a mid-2011 population estimate of about 1,100,000 people. Cardiff is a significant tourist centre and the most popular visitor destination in Wales with 18.3 million visitors in 2010. In 2011, Cardiff was ranked sixth in the world in National Geographic's alternative tourist destinations.  - Greenwich (, or is an early-established district of today's London, England, centred 5.5 miles (8.9 km) east south-east of Charing Cross. The town lends its name to the Royal Borough of Greenwich.  - The Millennium Dome, subsequently referred to simply as The Dome, is the original name of a large dome-shaped building, originally used to house the Millennium Experience, a major exhibition celebrating the beginning of the third millennium. Located on the Greenwich Peninsula in South East London, England, the exhibition was open to the public from 1 January to 31 December 2000. The project and exhibition was the subject of considerable political controversy as it failed to attract the number of visitors anticipated, with recurring financial problems. All of the original exhibition and associated complex has since been demolished. The dome still exists, and it is now a key exterior feature of The O2. The Prime Meridian passes the western edge of the Dome and the nearest London Underground station is North Greenwich on the Jubilee line.  - An arena is an enclosed area, often circular or oval-shaped, designed to showcase theater, musical performances, or sporting events. The word derives from Latin "harena", a particularly fine/smooth sand used to absorb blood in ancient arenas such as the Colosseum in Rome. It is composed of a large open space surrounded on most or all sides by tiered seating for spectators. The key feature of an arena is that the event space is the lowest point, allowing for maximum visibility. Arenas are usually designed to accommodate a large number of spectators.  - The International Paralympic Committee (IPC) is an international non-profit organisation and the global governing body for the Paralympic Movement. The IPC organizes the Paralympic Games and functions as the international federation for nine sports. Founded on 22 September 1989 in Düsseldorf, Germany, its mission is "To enable Paralympic athletes to achieve sporting excellence and inspire and excite the world". Furthermore, the IPC wants to promote the Paralympic values and to create sport opportunities for all persons with a disability, from beginner to elite level.  - The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was a major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC). It took place in London and to a lesser extent across the United Kingdom from 25 July to 12 August 2012. The first event, the group stage in women's football began on 25 July at the Millennium Stadium in Cardiff, followed by the opening ceremonies on 27 July. 10,768 athletes from 204 National Olympic Committees (NOCs) participated.  - The O2 Arena , referred to as North Greenwich Arena in the context of the 2012 Summer Olympics and 2012 Summer Paralympics , is a multi-purpose indoor arena located in the centre of The O2 , a large entertainment complex on the Greenwich Peninsula in London . It is named after its main sponsor , the telecommunications company O2 . The O2 Arena has the second - highest seating capacity of any indoor venue in the UK , behind the Manchester Arena , but took the crown of the world 's busiest music arena from New York 's Madison Square Garden in 2008 . The closest underground station to the venue is the North Greenwich station on the Jubilee line .  - Cineworld Group plc is the second largest cinema operator in Europe with 2,049 screens across 221 sites in 9 countries. The UK operations consist of arthouse chain Picturehouse Cinemas and multiplex chain Cineworld Cinemas with 24 and 82 cinemas respectively. All but two Cineworld sites are located in the UK, with one each in Ireland and Jersey. Cineworld is the second-largest cinema operator in the UK with over 800 screens, and the owner of the single largest multiplex by screens and customer base in Ireland. Cineworld Glasgow Renfrew Street is the tallest cinema in the world and the busiest, by customer base, in the UK. The Cineworld site with the greatest number of screens is that located at Valley Centertainment in Sheffield, which has 20. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.  - Greenwich Peninsula is an area of south-east London, England, located in the Royal Borough of Greenwich.  - The Royal Borough of Greenwich (, or ) is a London borough in south-east London, England. Taking its name from the historic town of Greenwich, the London Borough of Greenwich was formed in 1965 by the amalgamation of the former area of the Metropolitan Borough of Greenwich with part of the Metropolitan Borough of Woolwich to the east. The local council is Greenwich London Borough Council which meets in Woolwich Town Hall. The council's offices are also based in Woolwich, the main urban centre in the borough.  - The International Olympic Committee (IOC; French: Comité international olympique, CIO) is the supreme authority of the worldwide Olympic movement. It is an international, non-profit, non-governmental organization based in Lausanne, Switzerland. Its mission is enshrined in the Olympic Charter: to support the development of competitive sport by ethical and environmentally sustainable means.  - Rome is a city and special "comune" (named "Roma Capitale") in Italy. Rome is the capital of Italy and of the Lazio region. With 2,870,336 residents in , it is also the country's largest and most populated "comune" and fourth-most populous city in the European Union by population within city limits. The Metropolitan City of Rome has a population of 4.3 million residents. The city is located in the central-western portion of the Italian Peninsula, within Lazio (Latium), along the shores of Tiber river. The Vatican City is an independent country geographically located within the city boundaries of Rome, the only existing example of a country within a city: for this reason Rome has been often defined as capital of two states.   - The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a sovereign country in western Europe. Lying off the north-western coast of the European mainland, it includes the island of Great Britain (the name of which is also loosely applied to the whole country), the north-eastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK that shares a land border with another sovereign statethe Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-south-west, giving it the 12th-longest coastline in the world. The Irish Sea lies between Great Britain and Ireland. With an area of , the UK is the 78th-largest sovereign state in the world and the 11th-largest in Europe. It is also the 21st-most populous country, with an estimated 65.1 million inhabitants. Together, this makes it the fourth most densely populated country in the European Union.  - The O2 is a large entertainment district on the Greenwich peninsula in South East London, England, including an indoor arena, a music club, a Cineworld cinema, an exhibition space, piazzas, bars and restaurants. It was built largely within the former Millennium Dome, a large dome-shaped building built to house an exhibition celebrating the turn of the third millennium; as such, "The Dome" remains a name in common usage for the venue.    What entity does 'the o2 arena' has the relation 'architect' with?
Answer:
populous