![ECUADOR-DARWIN ISLAND-ENVIRONMENT-FAUNA](136458537_15005288572171n.jpg)
Image taken on July 14, 2017, provided by the Management of the Galapagos National Park (DPNG) shows a technical team of DPNG doing an ultrasound and sampling for laboratory tests to a whale shark, during a study carried out in Darwin Island, part of the Galapagos Islands, Ecuador. (Xinhua/DPNG)