Queen Elizabeth II meets school children during the official opening ceremony for the Queensferry Crossing, in Queensferry, west of Edinburgh, on Sept 4, 2017. [Photo/VCG]

French President Emmanuel Macron speaks with pupils during a visit to a school at the start of the new school year in Forbach, eastern France on Sept 4, 2017. [Photo/VCG]

Pro-EU demonstrators rally during the People's March for Europe against Brexit in Parliament Square in central London on Sept 9, 2017. [Photo/VCG]

Rohingya refugees stretch their hands for food near Balukhali in Cox's Bazar, Bangladesh, Sept 4, 2017. [Photo/VCG]

The UN Security Council during an emergency meeting over the Democratic People's Republic of Korea's latest nuclear test at UN Headquarters in New York on Sept 4, 2017. [Photo/VCG]

An Egyptian fan salute to national flags when Egypt's national anthem plays during the match between Egypt and Uganda at the 2018 World Cup Qualifications in Egypt, Sept 5, 2017. [Photo/VCG] 

Northern lights illuminate the sky over the beach of Flakstad, on Lofoten Islands, Arctic Circle, on Sept 5, 2017. [Photo/VCG]

Children take part in the Settrington Cup during the Goodwood Revival at Goodwood in Chichester, England on Sept 8, 2017. [Photo/VCG]

US President Donald Trump (R) holds a joint news conference with Emir of Kuwait Sabah Al-Ahmad Al-Jaber Al-Sabah in the East Room of the White House in Washington, US, Sept7, 2017. [Photo/VCG]

Britain's Prince William accompanies his son Prince George on his first day of school at Thomas's school in Battersea, London, Sept 7, 2017. [Photo/VCG] 

A displaced Syrian child stands at an abandoned house where people take refuge in the town of Tabqa, about 55 kilometres (35 miles) west of embattled city in Syria on Sept 6, 2017. [Photo/VCG]

A girl pets a cat on a passenger seat, in a train cat cafe, held on a local train to bring awareness to the culling of stray cats, in Ogaki, Gifu Prefecture, Japan, Sept 10, 2017. [Photo/VCG]