A woman takes a photo of the artwork "The Parthenon of Books" during Documenta 14 in Kassel, Germany, June 10, 2017. The international contemporary art exhibition Documenta 14 inaugurated in Germany on Saturday. The prestigious exhibition, which was launched in Kassel in Germany in 1955, is held every five years. This year Documenta 14 is held in both Kassel and Athens. It is the first time in its history that documenta is co-hosted by Kassel and another European city. (Xinhua/Luo Huanhuan)
