In 2018, Cao Jiadu street in Jing' an district launched an activity of "looking for time machine". Caojiadu Wujiaochang was once called "the western little Shanghai". born and raised in Caojiadu, senior media man Hu Zhanfen is impressed deeply by everything in Caojiadu. Yu Tong, who lives in Wuding West Road, still retains the former meat grinder.