A gay man is silhoutted on a gay rainbow flag during a demonstration for gay rights in Hanoi, Vietnam, November 24, 2015. While transgender, gay and lesbian people are persecuted and even jailed in many Asian countries, Vietnam has quietly become a trailblazer, with laws to decriminalize gay marriage and co-habitation and recognize sex changes on identity documents. Picture taken November 24, 2015. REUTERS/Kham