Students from Oklahoma, the United States, visited Dunhuang's Mogao Grottoes and experienced Silk Road culture at the Mingsha Mountain and Crescent Spring scenic spot on Nov 2. As part of the 9th Silk Road (Dunhuang) International Culture Expo, the exchange brought them closer to Chinese history and heritage, while opening doors to cross-cultural understanding and lasting friendship. What impressed them most about Dunhuang? Let's hear their stories!