Dancers from China Central Ballet perform symphony ballet "The Yellow River" at the Camoes Theater in Lisbon, Portugal, on the evening of March 30, 2019. The performance was to celebrate the 40th anniversary of the establishment of the diplomatic relations between China and Portugal and the Chinese Cultural Festival in Portugal. (Xinhua/Zhang Liyun)

Actresses from China Central Ballet perform ballet "Giselle" at the Camoes Theater in Lisbon, Portugal, on the evening of March 30, 2019. The performance was to celebrate the 40th anniversary of the establishment of the diplomatic relations between China and Portugal and the Chinese Cultural Festival in Portugal. (Xinhua/Zhang Liyun)

Actresses from China Central Ballet perform ballet "Giselle" at the Camoes Theater in Lisbon, Portugal, on the evening of March 30, 2019. The performance was to celebrate the 40th anniversary of the establishment of the diplomatic relations between China and Portugal and the Chinese Cultural Festival in Portugal. (Xinhua/Zhang Liyun)

An actress from China Central Ballet performs ballet "Giselle" at the Camoes Theater in Lisbon, Portugal, on the evening of March 30, 2019. The performance was to celebrate the 40th anniversary of the establishment of the diplomatic relations between China and Portugal and the Chinese Cultural Festival in Portugal. (Xinhua/Zhang Liyun)