National Geographic : 2016 Oct
England In a scene Dalí might have dreamed, rose- ringed parakeets flap to a roost in London’s Hither Green Cemetery. Thousands of the wild birds—a non-native species of debatable origin—live in the city. The trails appear via flash and long exposure. PHOTO: SAM HOBSON, NATURE PICTURE LIBRARY O Order prints of select National Geographic photos online at NationalGeographicArt.com.