Posters advertising Chinese language used by Japanese shop owners in an attempt to attract buyers during China's Golden Week. Around 400,000 tourists from the Chinese mainland visited Japan and spent nearly 100 billion yen, or around $830 million in shopping during the National Day holiday week from Oct 1-7. The spending spree by Chinese tourists have boosted the Japanese economy by around 0.1%, a 20-year high, according to Global Blue, an international company that handles tax refunds for international shoppers. [Photo/IC]