A trouper from China's Shanghai Kunqu Opera Troupe performs Kunqu Opera "Hu Nang Dan - Pavilion on the Mountain" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

Troupers from China's Shanghai Kunqu Opera Troupe perform Kunqu Opera "Hu Nang Dan - Pavilion on the Mountain" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

Troupers from China's Shanghai Kunqu Opera Troupe perform Kunqu Opera "Tale of Emerald Hairpin" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

A trouper from China's Shanghai Kunqu Opera Troupe performs Kunqu Opera "Hu Village" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

A trouper from China's Shanghai Kunqu Opera Troupe performs Kunqu Opera "Hu Village" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

A trouper from China's Shanghai Kunqu Opera Troupe performs Kunqu Opera "Hu Village" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)

Troupers from China's Shanghai Kunqu Opera Troupe perform Kunqu Opera "Hu Nang Dan - Pavilion on the Mountain" in Waseda University, Tokyo, Japan, Oct. 23, 2018.(Xinhua/Du Xiaoyi)