Panda Yang Yang (R) and its baby Fu Ban play with birthday presents at Schoenbrunn zoo in Vienna, Austria on Aug. 7, 2017. A pair of panda twins, Fu Ban and Fu Feng, born last year here at Schoenbrunn zoo, celebrated their first birthday on Monday with a big party. The birth of the panda twins proved the successful adaption to the new life in Austria of their parents, Yang Yang and Long Hui. The panda couple arrived in Austria in 2003.(Xinhua/Pan Xu)