epa08426010 South American sea lions in their enclosure at the Tiergarten Schoenbrunn zoo in Vienna, Austria, 16 May 2020. The Tiergarten Schoenbrunn zoo, with an area of 17,000 square meters, is part of the Schoenbrunn Palace Gardens and the UNESCO World Heritage Site Schoenbrunn. The oldest zoo in the world is one of the top tourists attractions, with more than two million visitors yearly. Loosening coronavirus restrictive measures allows the Schoenbrunn zoo, museums, restaurants, bars and cafes to reopen. EPA/CHRISTIAN BRUNA
