Actors perform lion dance during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)

People pose for photos with dancers of lion dance during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinua/Lu Yang) (Xinhua/Lu Yang)

People watch Peking Opera performance during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)

Actors perform lion dance during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)

A child paints Peking Opera mask during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)

A girl paints Peking Opera mask during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)

Children paint Peking Opera masks during a Chinese traditional cultural show to mark the China Week Heidelberg 2019 in Heidelberg, Germany, on April 5, 2019. (Xinhua/Lu Yang)