Girls dance to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

COLOMBO, Oct. 2, 2019 (Xinhua) -- Sri Lankan school students celebrated Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on Tuesday. (Photo by Gayan Sameera/Xinhua)

Girls dance to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

Girls dance to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

Girls dance to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

Girls dance to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

Students perform to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)

Students perform to celebrate Children's Day at Gothami Balika Vidyalaya in Colombo, Sri Lanka, on October 1, 2019. (Photo by Gayan Sameera/Xinhua)■