London has unveiled The Orbit, the sculpture at the heart of the Olympic Park, with the city's mayor claiming the bright red swirling structure -- likened by many to a rollercoaster -- is better than the Eiffel Tower.

Amputee archer Gao Fangxie targets gold at the 2012 Paralympics in London.

In 1922 a team of British explorers set off on a historic first attempt to climb the world's highest mountain. They never reached the top of Mount Everest, but their incredible feat of scaling within 2,000 feet of the summit was considered so groundbreaking they were each awarded an Olympic gold medal.