
Social activists participate in a bicycle rally to spread awareness about depression on the World Health Day in Kolkata, capital of eastern Indian state West Bengal, on April 7, 2017. (Xinhua/Tumpa Mondal)

Social activists participate in a bicycle rally to spread awareness about depression on the World Health Day in Kolkata, capital of eastern Indian state West Bengal, on April 7, 2017. (Xinhua/Tumpa Mondal)