A man looks at lanterns ahead of the Vesak festival in Colombo, Sri Lanka, on May 19, 2021. The Vesak Festival is one of the holiest festivals celebrated in Sri Lanka as it marks the birth, enlightenment and demise of Lord Buddha. (Photos: Xinhua)

A vendor wearing a face mask prepares to sell lanterns ahead of the Vesak festival in Colombo, Sri Lanka, on May 19, 2021. The Vesak Festival is one of the holiest festivals celebrated in Sri Lanka as it marks the birth, enlightenment and demise of Lord Buddha.

A vendor wearing a face mask prepares to sell lanterns ahead of the Vesak festival in Colombo, Sri Lanka, on May 19, 2021. The Vesak Festival is one of the holiest festivals celebrated in Sri Lanka as it marks the birth, enlightenment and demise of Lord Buddha.