Head coaches (from L to R) Jean Rene Akono Bekono of Cameroon, Lang Ping of China, Kumi Nakada of Japan, Marcos Kwiek of the Dominican Republic, Stefano Lavarini of South Korea and Sergio Busato of Russia, pose for photos at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019. (Photos: Xinhua)

Lang Ping (L), head coach of China, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Lang Ping (2nd L), head coach of China, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Jean Rene Akono Bekono, head coach of Cameroon, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Stefano Lavarini, head coach of South Korea, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Marcos Kwiek, head coach of the Dominican Republic, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Sergio Busato, head coach of Russia, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Kumi Nakada, head coach of Japan, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Lang Ping, head coach of China, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Lang Ping, head coach of China, speaks at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.

Head coaches (from L to R) Jean Rene Akono Bekono of Cameroon, Lang Ping of China, Kumi Nakada of Japan, Marcos Kwiek of the Dominican Republic, Stefano Lavarini of South Korea and Sergio Busato of Russia, pose for photos at the pre-match press conference at the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 13, 2019.