Jari Pyykka, a Finnish technical consultant, works at an Angry Birds theme park in Haining, East China's Zhejiang province, July 2, 2013. The Angry Birds theme park, the first of its kind in China, is under construction and is expected to open to the public in October. Angry Birds, created by the Finland-based Rovio Entertainment, is a popular game for smartphones and tablet computers. [Photo/Xinhua]