A visitor looks at a piece of photography work at AIPAD (Association of International Photography Art Dealers)'s The Photography Show in New York, the United States, on April 5, 2018. The 38th edition of The Photography Show is held from April 5 to April 8. Around 100 of the world's leading fine art photography galleries present a range of museum-quality work including contemporary, modern, and 19th-century photographs, as well as photo-based art, video, and new media. (Xinhua/Wang Ying)