A Nepalese man wearing a face mask is offered with "Tika" on the forehead during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, Nov. 16, 2020. (Photos: Xinhua)

A devotee wearing a face mask is offered with "Tika" on the forehead during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, Nov. 16, 2020.

A Nepalese man is offered with "Tika" on the forehead during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, Nov. 16, 2020.

People wearing face masks as precautionary measures against the coronavirus are seen at Rani Pokhari (Queen's Pond) during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, on Nov. 16, 2020.

People wearing face masks have their hands sanitized and temperature checked when entering Rani Pokhari (Queen's Pond) during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, Nov. 16, 2020.

People wearing face masks have their hands sanitized and temperature checked when entering Rani Pokhari (Queen's Pond) during Bhai Tika, the final day of Tihar Festival in Kathmandu, Nepal, on Nov. 16, 2020.