2004 Summer Olympics return of the games to the city where they began. Having previously hosted the Summer Olympic Games in 1896, Athens became one of only four cities to have hosted the Summer Games on two separate occasions (together with Paris, London and Los Angeles). A new medal obverse was introduced at these Games, replacing the design by Giuseppe Cassioli that had been used since the 1928 Games. This rectified the long lasting mistake of using a depiction of the Roman Colosseum rather than a Greek venue. The new design features the Panathenaic Stadium. The 2004 Summer Games were hailed as "unforgettable,
Olympic Games the 2010 Winter Games in Vancouver. Chairman of the London organising committee, Lord Coe, said about the 2012 Summer Paralympics and Olympics in London that, In 2010, the Olympic Games were complemented by the Youth Games, which give athletes between the ages of 14 and 18 the chance to compete. The Youth Olympic Games were conceived by IOC president Jacques Rogge in 2001 and approved during the 119th Congress of the IOC. The first Summer Youth Games were held in Singapore from 14–26 August 2010, while the inaugural Winter Games were hosted in Innsbruck, Austria, two years later. These Games