Peoples gather at Bangna Temple to celebrate the Vesak Day in Bangkok, Thailand, May 18, 2019. Buddhists in Thailand celebrated the Vesak Day, or Visakha Bucha, to commemorate the birth, enlightenment and the passing of Buddha. (Xinhua/Rachen Sageamsak)

A child burns incense at Bangna Temple to celebrate Vesak Day in Bangkok, Thailand, May 18, 2019. Buddhists in Thailand celebrated the Vesak Day, or Visakha Bucha, to commemorate the birth, enlightenment and the passing of Buddha. (Xinhua/Rachen Sageamsak)

A man holds a candle at Bangna Temple to celebrate the Vesak Day in Bangkok, Thailand, May 18, 2019. Buddhists in Thailand celebrated the Vesak Day, or Visakha Bucha, to commemorate the birth, enlightenment and the passing of Buddha. (Xinhua/Rachen Sageamsak)

People release sky lanterns during the celebration of Vesak Day in Magelang, Indonesia, on May 18, 2019. Buddhists in Indonesia celebrated the annual Vesak Day on Sunday to honor the birth, enlightenment and the passing of Buddha. (Xinhua/Supriyanto)

Sky lanterns are released during the celebration of Vesak Day in Magelang, Indonesia, on May 18, 2019. Buddhists in Indonesia celebrated the annual Vesak Day on Sunday to honor the birth, enlightenment and the passing of Buddha. (Xinhua/Supriyanto)

People release sky lanterns during the celebration of Vesak Day in Magelang, Indonesia, on May 18, 2019. Buddhists in Indonesia celebrated the annual Vesak Day on Sunday to honor the birth, enlightenment and the passing of Buddha. (Xinhua/Supriyanto)

A devotee prays in front of a big statue of Buddha during "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

People pray in front of a big statue of Buddha during "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

A girl prays in front of a big statue of Buddha during "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

Law enforcers stand guard as Buddhist community hold a peace rally marking "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

Devotees light candles during "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

Law enforcers stand guard as Buddhist community hold a peace rally marking "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)

Monks pray in front of a big statue of Buddha during "Buddha Purnima" celebration in Dhaka, Bangladesh, on May 18, 2019. Buddhists in Bangladesh on Saturday celebrated "Buddha Purnima", which marks Gautama Buddha's birth, enlightenment and death. (Xinhua)