To celebrate the 70th anniversary of the founding of the People's Republic of China, on the eve of the March 8th, the flash mob organized by the art troupe were unveiled at the landmark section of Chongqing Jiefangbei. The female firefighters who participated in the flash danced and the surrounding people were attracted by the singing and dancing and joined the flash team. The enthusiasm of the masses gave the firefighters a great encouragement. They played together with beautiful songs and dances. The songs echo through the mountains. The flash mob has influenced many people and foreign tourists. They have raised the national flag, sang the love of China and praised the beautiful mountains and rivers.