Inspirational Moments: Olympic celebrations - BEIJING - AUGUST 18: Elena Isinbaeva of Russia celebrates successfully jumping a new World Record of 5.05 in the Women's Pole Vault Final at the National Stadium on Day 10 of the Beijing 2008 Olympic Games on August 18, 2008 in Beijing, China. (Photo by Stu Forster/Getty Images)
Olympic Park Observation Tower, Beijing, China designed by Shi Yingfang, Li Lei and Wen Yaling, height 243m. Construction began in 2008, to coincide with that year's Summer Olympics and completed/opened in 2014. It is used strictly for observation; there is no provision for offices or apartments. 258 metres (846 ft) in height, its design, with 4 smaller circular floors at different heights and positions below a larger top floor, is meant to echo the Olympic rings.