In this photo taken Monday, Sept. 7, 2015, tracker dog Bruno, 4, gulps down water from a foldable bowl at the end of a hot training exercise in Akagera National Park, eastern Rwanda. (AP Photo/Ben Curtis)
In this photo taken Monday, Sept. 7, 2015, tracker dog Bruno, 4, gulps down water from a foldable bowl at the end of a hot training exercise in Akagera National Park, eastern Rwanda. (AP Photo/Ben Curtis)
AP Images Blog 