Jacek Nawrocki, head coach of Poland, gives instructions to his players during the Pool B match between Germany and Poland in 2017 Montreux Volleyball Masters in Montreux, Switzerland on June 9, 2017. Poland won 3-2. (Xinhua/Alain Grosclaude)
Jacek Nawrocki, head coach of Poland, gives instructions to his players during the Pool B match between Germany and Poland in 2017 Montreux Volleyball Masters in Montreux, Switzerland on June 9, 2017. Poland won 3-2. (Xinhua/Alain Grosclaude)