A woman wearing a mask walk in a street in a Yonghegong Lama temple compound seen shrouded in smog in Beijing, China, 30 November 2015. Beijing issued an orange alert for heavy smog 30 November, the highest level this year. Authorities in the Chinese capital warned of 'severe pollution' and advised the capital's 20 million inhabitants to stay indoors. (Photo by How Hwee Young/EPA)

Elders perform coronation rituals on Kabaka (King) Ronald Muwenda Mutebi II during his 30 year coronation at his palace in Mengo, Kampala, on July 31, 2023. Thousands of Ugandans thronged the palace grounds of the country's largest kingdom Buganda despite pouring rain on July 31, 2023, dancing and ululating as they marked 30 years since the coronation of King Ronald Muwenda Mutebi II. (Photo by Badru Katumba/AFP Photo)

Hot air balloons are prepared for a flight as others take off during an international hot air balloon festival at Maayan Harod National park in northern Israel September 30, 2015. (Photo by Baz Ratner/Reuters)

A physically challenged girl looks at her brother as she is kept in a basin to seek alms from people on the street in Kano, Nigeria December 30, 2015. The girl has suffered from her condition since birth. (Photo by Reuters/Stringer)

An Iraqi soldier stands guard as a pipeline burns in the background after an explosion 30 kilometers (20 miles) northeast of Tikrit, Iraq, Monday, February 11, 2008. (Photo by Bassem Daham/AP Photo)

People view Singpoli Group's inaugural Rose Parade float as it undergoes its finishing touches in Pasadena, California December 30, 2014. The 126th Rose Parade will take place on New Years Day in Pasadena. (Photo by Jonathan Alcorn/Reuters)

A man covered with dust sits on a street following a reported air strike by Syrian government forces in the rebel-held neighbourhood of Sukkari in the northern city of Aleppo on May 30, 2016. (Photo by Baraa Al-Halabi/AFP Photo)

A brown bear waits for food at the zoo in Madrid, Spain on July 30, 2016. (Photo by Jorge Sanz/Pacific Press/SIPA Press/Rex Features/Shutterstock)