Amateur photographer G.L. Tripurantaka seen explaining  about photographs taken by him using mobile phone camera to Sri Chidananda Swamiji, City photographer S.M. Jambukeshwar  and  International Wildlife Photographer S. Tippeswamy during the two-day exhibition organised at Sri Rajendra auditorium in JSS Hospital premises, Ramanuja Road in city this morning. The Mobile Phone Photography Expo will be open for public today and tomorrow between 10.30 am and 7.30 pm.