Artworks are displayed during a media preview of "Gardens of Pleasure: Sex in Ancient China, An Exhibition of the Ferdinand M. Bertholet Collection" in Hong Hong, south China, April 15, 2014. The exhibition, presented by Sotheby's Hong Kong gallery, will be held on April 16 - May 3, displaying over 100 masterpieces including paintings, objects and ceramics from Han Dynasty (206 BC-220 AD) to Qing Dynasty (1644-1911 AD). (Xinhua/Li Peng)