A Wildlife Conservation Society (WCS) official attaches a GPS-satellite collar to an elephant in a remote area of South Sudan, whose location cannot be disclosed due to issues of accelerating poaching, June 3, 2013. WCS, in partnership with South Sudan's Ministry of Wildlife Conservation and Tourism, is attaching GPS-satellite collars to elephants across South Sudan to help understand movement patterns and monitor and protect them funded by USAID and WCS. South Sudan's elephant population has already has dropped to less than 5,000 from around 80,000 in the 1950s. REUTERS/Hereward Holland (SOUTH SUDAN - Tags: SOCIETY ENVIRONMENT SCIENCE TECHNOLOGY ANIMALS)