 Complete the following phrase:  Early liuqiang performances were held during festivals and slack farming seasons, with three or five performers and little regard of costumes, role types, face painting, and music. Sometimes, an actor needed to play several roles in one play. In the ensuing decades, performances became more complicated and professional. Around 1900, five professional troupes were established in Liujiazhuang, Qiji , in Yifengdian, Yifeng , also in Yifengdian, and Nanquan , in Lancun which performed not just locally, but also in more urban places like Pingdu, Ye County now Laizhou, and Laiyang. After the 