ພາບເດັ່ນ ປະຈຳ ວັນທີ 31 ຕຸລາ 2017

Actress Katerina Lehou, playing the role of high priestess, lights an Olympic torch during a handover ceremony for the Olympic Flame at Panathenaic stadium in Athens, Greece.

A man sifts through rubbish in the Yamuna river in Delhi, India.

President Donald Trump and first lady Melania Trump hand out treats as they welcome children from the Washington area and children of military families celebrating Halloween, Oct. 30, 2017.

Indian Border Security Force personnel (brown uniforms) and Pakistani rangers (black uniforms) take part in the daily beating of the retreat ceremony, at the India-Pakistan Wagah Border, some 35 kilometers west of Amritsar, Oct, 30, 2017.

A boy stands beside his family home in an Afghan refugee camp in Islamabad, Pakistan.

Rohingya refugee children attend recitation classes of the holy Quran in a newly opened madrassa, or religious school, in a Balukhali refugee camp, Bangladesh, Oct. 30, 2017.

The unique U-shaped troughs of 'The Wave' rock formation are seen at the Coyotes Buttes North wilderness area near Page, Arizona, Oct. 30, 2017.

A picture taken during a training session off the coast of Le Havre, France, shows the "Vivo a Beira" monohull, Imoca, bearing a work by French street artist JR on the sail, prior to the start of the 13th Transat Jacques Vabre sailing race, from Le Havre to Salvador de Bahia in Brazil. The race will begin Nov. 5, 2017.

A Cambodian man rides his motorbike loaded with bananas along a street on the outskirts of Phnom Penh, Oct. 30, 2017.

People place flowers on tombs at the municipal cemetery of San Salvador in Oviedo, Spain, Oct. 30, 2017.

Uber drivers protest against a legislation threatening the company's business model that is to be voted in the country's national congress, in Sao Paulo, Oct. 30, 2017.