This picture taken on July 29, 2016 shows a general view of the pool where people swim and wait for waves at the water park in the world's largest building in Chengdu. Claiming to be the world's largest building by floor space, the 1,760,000 square metres of the New Century Global Center are a monument to growing Chinese consumer power, packed with shoppers -- and beach bathers a thousand kilometres from the coast. / AFP PHOTO / FRED DUFOUR / TO GO WITH AFP STORY: China-economy-retail-leisure, SCENEFRED DUFOUR/AFP/Getty Images