View of the Ice Cube, Olympic Green, Xicheng, Beijing, People's Republic of China, Asia

Aerial of the LUMA Cultural Center building, architect Frank Gehry, Arles, Bouches du Rhone, Provence-Alpes-Cote d'Azur, France, Europe

Night view of the Water Cube National Aquatics Center on the Olympic Green, Beijng, China, Asia

Green Cube, Headquarters of television channel Euronews, La Confluence district, Lyon, Rhone, France, Europe

Looking out to the Water Cube National Aquatics Center from The Birds Nest National Stadium designed by Herzog and de Meuren in the Olympic Green, Beijing, China, Asia

Colourful blocks stacked into a tower and dispersed on the floor at playtime; Surrey, British Columbia, Canada