In this December 21, 2017 photo, six year old Melanie Oliveras Gonzalez holds a lantern in the living room of her house in Sector Padre Ibañes, in Morovis, Puerto Rico. All electronics are connected at night to an inverter plugged to the family car battery. (Photo by Carlos Giusti/AP Photo)





In this Tuesday, April 11, 2017 photo, an Israeli youth shows off the small fish he caught on the banks of the Jordan River near the northern Israeli Kibbutz of Kinneret. Israel is heading into its fifth consecutive year of drought, putting three celebrated biblical bodies of water at risk. The Sea of Galilee, the country's main water source, already stands at a century low and the mighty Jordan River, known for its prominence in the Bible, could be best described along much of its length as a creek. The Dead Sea, a marvel of the natural world, is shrinking. (Photo by Oded Balilty/AP Photo)





A girl lays on a moon-shaped structure as she plays on Christmas and New Year decorations in the centre of the western Ukrainain city of Lviv on December 19, 2017. (Photo by Sergei Supinsky/AFP Photo)





This undated photo provided by Safe and Sound Schools shows Emilie Parker, who was among 20 first-graders killed on December 14, 2012 at the Sandy Hook Elementary School in Newtown, Conn. Her mother Alissa Parker teamed with Michele Gay, who also lost her daughter Josephine in the shooting, to form Safe and Sound Schools. The women travel to schools around the country, giving talks that detail personal experiences on the day of the shooting, and about what can be done to make schools safer. (Photo by Alissa Parker/Safe and Sound Schools via AP Photo)





A Rohingya Muslim boy looks back as he walks with his friend in Kutupalong refugee camp on Saturday, November 25, 2017, in Bangladesh. The United Nations and others have said the military's actions appeared to be a campaign of “ethnic cleansing”, using acts of violence and intimidation and burning down homes to force the Rohingya to leave their communities, with more than 600,000 Rohingya fleeing to Bangladesh. (Photo by Wong Maye-E/AP Photo)





Filipino children play as they are doing caroling activities on the street near an airport, days before Christmas in Manila, Philippines, 20 December 2017. Filipinos celebrate the longest Christmas in the world which starts as early as September every year. (Photo by Francis R. Malasig/EPA/EFE)





Young participants pose for pictures after taking part in ballet training ahead of their upcoming Malaysian Ballet competitions in Kuala Lumpur on November 28, 2017 Malaysian Ballet competitions will take place on November 30. (Photo by Mohd Rasfan/AFP Photo)





Students stand on a truck as they head to school with Mount Agung volcano spewing smoke and ash in Karangasem, Bali, Indonesia, Tuesday, November 28, 2017. Mount Agung volcano on Bali has erupted for the first time in more than half a century, forcing closure of the Indonesian tourist island's busy airport as the mountain gushes huge columns of ash that are a threat to airplanes. (Photo by Firdia Lisnawati/AP Photo)





Indigenous Warao children from the Orinoco Delta in eastern Venezuela, play on hammocks at a shelter in Pacaraima, Roraima state, Brazil on November 23, 2017. (Photo by Nacho Doce/Reuters)





Sofia Ema, 8, waits for voters at a polling station in Havana, Cuba on November 26, 2017. (Photo by Alexandre Meneghini/Reuters)





Children attend the wake of Rolando Arellano Campo and Sherwin Bitas inside a house two days after they were killed in a police operation captured on CCTV, in Tondo, Manila on November 27, 2017. (Photo by Dondi Tawatao/Reuters)





Students from the General Yermolov Cadet School attend a military tactical exercise on the ground, which includes intrenchment training, forest survival studies and other activities, outside the southern city of Stavropol, Russia, October 21, 2017. (Photo by Eduard Korniyenko/Reuters)





A Rohingya refugee boy gets a haircut at Kutupalong refugee settlement near Cox's Bazar, Bangladesh, December 1, 2017. (Photo by Susana Vera/Reuters)





Leaves cover the face of 11-month-old Rohingya refugee Abdul Aziz, after his body was brought back to the family shelter, at the Balukhali refugee camp near Cox's Bazar, Bangladesh, a few hours after he died on December 4, 2017. Aziz, whose family fled Myanmar some two months ago, died at local clinic after suffering from high fever and severe cough for ten days, his mother said.. (Photo by Damir Sagolj/Reuters)





A Palestinian boy writes his homework at his family's house in the northern Gaza Strip, December 5, 2017. (Photo by Mohammed Salem/Reuters)





A Rohingya refugee child crawls at a food distribution centre at Tengkhali camp, near Cox's Bazar, Bangladesh December 7, 2017. (Photo by Damir Sagolj/Reuters)





A baby wears protective ear covers during a campaign rally for Democratic Alabama U.S. Senate candidate Doug Jones in Birmingham, Alabama, U.S., December 9, 2017. (Photo by Carlo Allegri/Reuters)





A Brazilian firefighter sprays water to cool Venezuelans outside a gym which has become a shelter for Venezuelans in Boa Vista, Roraima state, Brazil November 18, 2017. (Photo by Nacho Doce/Reuters)





Somali refugees study the Quran at a school in the Dadaab refugee camp, Kenya December 19, 2017. (Photo by Baz Ratner/Reuters)





A Rohingya refugee girl has her face painted at the Balukhali refugee camp near Cox's Bazar, Bangladesh December 17, 2017. (Photo by Alkis Konstantinidis/Reuters)