This picture taken on July 25, 2016 shows people in life jacket enjoying the waves at the water park, featuring a concrete beach, inside the worlds 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