A Syrian boy receives treatment at a hospital in the regime-held part of Aleppo on October 13, 2016. Syrian state television said four children were killed by rebel rocket fire on a school in a western regime-held neighbourhood. (Photo by George Ourfalian/AFP Photo)

A Hindu pilgrim feeds biscuits to an ox to seek blessing before heading for an annual trip to Sagar Island for the one-day festival of “Makar Sankranti”, in Kolkata, India January 10, 2017. (Photo by Rupak De Chowdhuri/Reuters)

A visitor views a human body specimen during the “Human Body's Wonder Scientific Travelling Exhibition” at the Haikou Gymnasium April 30, 2006 in Haikou of Hainan Province, China. The exhibition displays 13 complete real human body specimens and about 300 pieces of small samples, such as organs, skin, etc with the purpose to promote science and help people know more about their bodies. (Photo by China Photos/Getty Images)

A general view of Stonehenge during the annual Perseid meteor shower in the night sky in Salisbury Plain, southern England August 13, 2013. The Perseid meteor shower is sparked every August when the Earth passes through a stream of space debris left by comet Swift-Tuttle. Picture taken using a long exposure. (Photo by Kieran Doherty/Reuters)

Palestinians and Israelis enjoy the Mediterranean sea during the first day of the Eid al-Fitr holiday in Tel Aviv, Israel, Thursday, August 8, 2013. The three-day Eid al-Fitr holiday marks the end of the holy fasting month of Ramadan. One of the most important holidays in the Muslim world, Eid al-Fitr, is marked with prayers, family reunions and other festivities. (Photo by Oded Balilty/AP Photo)

Fire retardant is dropped on the Fairview Fire burning near Hemet, California, U.S., September 6, 2022. (Photo by David Swanson/Reuters)

Amal Clooney attends the “Money Monster” premiere during the 69th annual Cannes Film Festival at the Palais des Festivals on May 12, 2016 in Cannes, France. (Photo by Andreas Rentz/Getty Images)

Indian commuters travel in a local train in Kolkata, India, Tuesday, February 26, 2013. Indian Railway Minister Pawan Kumar Bansal is presenting the country's rail budget for next fiscal year in the parliament Tuesday, Feb. 26, 2013. Indian railway network is one of the world's largest, with some 14 million passengers daily and some 64,000 kilometers (40,000 miles) of railway track cut through some of the most densely populated cities. (Photo by Bikas Das/AP Photo)