Princess Sissi's palace launches WeChat account

Founded as an imperial menagerie in 1752, Schönbrunn Zoo is the oldest continuously operating zoo in the world, and has been named Europe's best zoo five times in a row.

Since 2006, the Schönbrunn Zoo has attracted over 2 million visitors every year.

Spread across a 17-hectare site, visitors can see 700 different species, including critically endangered animals such as giraffes, orangutans, Siberian tigers, koalas, African elephants and meerkats.

The zoo's most popular residents are the giant pandas. It is the only zoo in Europe with a proven track record of successfully helping this endangered species breed naturally.

After the births of Fu Long (2007), Fu Hu (2010) and Fu Bao (2013), in 2016 Yang Yang became the first panda in captivity to raise twin cubs without human intervention.

Yang Yang first arrived at the zoo in 2003 with a male panda, Long Hui, who died of bile duct cancer in late 2016.

The zoo welcomed male panda Yuan Yuan in April as the latest addition to its family. The new panda will be the breeding partner for female Yang Yang.