They put them on and dashed to the front of the stage, smiling and hamming it up for the finale: a class picture. They made it! Ballet Tech Kids Dance. Through Sunday at the Joyce Theater, joyce.org.

Compared to Chinese dance and ballet, modern dance in China is, in Wilcox’s words, “still niche.” But that may be changing. In 2019 and 2020, Shen served as a judge on “Dance Smash,” a ...