People gather on roof to see a flame entertainment during a traditional winter festival in old part of Dhaka, capital of Bangladesh, on Jan. 14, 2019. Every year at the end of Poush, the ninth month of the Bengali calendar (Jan. 14 or 15 in Gregorian calendar), people in old part of Bangladesh capital Dhaka celebrate "Sakrain" festival, also known as Ghuri Utsob or Kite festival. (Xinhua/Stringer)