Traces of cultural exchanges can be seen everywhere at the 4th China International Import Expo (CIIE), which also features a humanities exchange platform. A total of 30 Chinese provinces, regions and cities are bringing 70 cultural public welfare performances. The exhibition area is over 31,000 square meters, allowing visitors to truly realize the ideal of seeing Chinese intangible cultural heritage without leaving the exhibition hall. See if you can answer these questions on some of the intangible cultural heritage items on display at the expo.