Lake Tana at risk08/08/2016August 8, 2016Each year, thousands of birds escape the European winter for the sunny climes of Ethiopia's Lake Tana. These wetlands make a perfect habit for our feathered friends but are under increasing pressure from humans.Copy linkImage: picture alliance/Peter Groenendijk/Robert HardingAdvertisementLake Tana at risk03:12This browser does not support the video element.