Lonz
Striker
Some absolutely incredible shots in here.
http://travel.nationalgeographic.com/photo-contest-2015/
Winners' gallery: http://travel.nationalgeographic.com/photo-contest-2015/gallery/winners-all/1
http://travel.nationalgeographic.com/photo-contest-2015/
Winners' gallery: http://travel.nationalgeographic.com/photo-contest-2015/gallery/winners-all/1