Edouard Rebilly from Belgium tries decorative art at a museum in Beijing in April. YANG FEIYUE/CHINA DAILY Maximilian Klaus Puechler from Germany crammed in as much sightseeing as he could during his short trip to Beijing in late March. In one day, Puechler, in his 20s, visited the Juyongguan section of the Great Wall and the royal gardens at the …