A lake is seen at a park in London, Britain, on Jan. 8, 2017. (Xinhua/Han Yan)
People feed ducks near a lake at a park in London, Britain, on Jan. 8, 2017. (Xinhua/Han Yan)
People walk with their dog at a park in London, Britain, on Jan. 8, 2017. (Xinhua/Han Yan)
