The Cambodian annual water festival held on the Tonle Sap River in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017.
The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks.

A Cambodian boat dancer rests on a traditional row boat during the annual water festival on the Tonle Sap River in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

Traditional boat crews paddle during the annual water festival in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

A team captain uses a axe prop to energize the crew during a traditional boat race at the start of the annual water festival in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

A boat crew paddles their boat during a traditional boat race during the start of the annual water festival in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

A boat crew paddles their boat during a traditional boat race during the start of the annual water festival in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

A boat crew paddles their boat during a traditional boat race during the start of the annual water festival in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began with traditional boat racing and evening fireworks. (AP Photo/Heng Sinith)

Rowers on their traditional wooden boat practice before the competition on the Tonle Sap river Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival started Thursday with daily boat racing and fireworks. The annual water festival is to dedicated to the kingdom's ancestral naval warriors and the mighty rivers that provide vital natural resources and fish to the country. (AP Photo/Heng Sinith)

Rowers on their traditional wooden boat practice before their competition along the Tonle Sap river in Phnom Penh, Cambodia, Thursday, Nov. 2, 2017. The 3-day traditional water festival on Thursday began their racing including, fireworks, and the carnival-like atmosphere. Water festival is to dedicated to the kingdom's ancestral naval warriors, moreover to the mighty river that provides vital natural resources and fishes to Cambodians. (AP Photo/Heng Sinith)

Villagers walk near an illuminated Wat Phnom scene on a boat for the coming water festival along the Tonle Sap river in front of the Royal Palace, Phnom Penh, Cambodia, Tuesday, Oct. 31, 2017. The 3-day traditional water festival, including boat races, fireworks, and the carnival-like atmosphere, will start on Thursday, Nov. 2-4, 2017. (AP Photo/Heng Sinith)

Villagers sit near an illuminated Angkor temple scene on a boat for the up and coming water festival along the Tonle Sap river in front of the Royal Palace, Phnom Penh, Cambodia, Tuesday, Oct. 31, 2017. The 3-day traditional water festival, including boat races, fireworks, and the carnival-like atmosphere, will start on Thursday, Nov. 2-4, 2017. (AP Photo/Heng Sinith)