Phase 1 of the Chennai Photo Biennale Edition 4 began on Friday with its thematic enquiry, ‘Why Photograph?’. Inaugurated by dancer Anita Ratnam at Lalit Kala Akademi, it features works of women artists across India, Germany, Switzerland, France, the U.K. and Palestine. “There are 21 women artists featured in this primary show, which is about positioning women in photography as …