A prototype battery-powered plane, called Greased Lightning or GL-10 is pictured flying at NASA's Langley Research Center in this undated handout photo obtained by Reuters May 1, 2015. The plane, which has 10 engines and can take off like a helicopter and fly efficiently like an aircraft, is currently in the design and testing phase. (Photo by Reuters/NASA)
A hippopotamus is sprayed with water on a hot summer day at Anna National Zoological Park in Chennai, India on April 26, 2017. (Photo by Arun Sankar/AFP Photo)
A derelict farm house adorns the horizon as it sits in a field in the Lancashire Countryside on January 26, 2012 in Burscough, England. (Photo by Christopher Furlong/Getty Images)
Actress Liv Tyler, 40, stripped in shots for the Triumph Essence's Autumn/Winter 2017 campaign in November, 2017. The Essence line is Triumph’s premium offering, with this season taking on the theme of “opulent Art Nouveau”, featuring designs in velvet embellished mesh, Leavers lace and silk satin. (Photo by Rankin/The Mega Agency)
A child runs towards Mohamed Maarouf, 28, as he walks with a sack of gifts while dressed in Saint Nicholas (Santa Claus) costume in a slum near the centre of Iraq's southern city of Basra on December 24, 2021. (Photo by Hussein Faleh/AFP Photo)
SONEPUR, INDIA - NOVEMBER 15: An elephant is painted in decorative colours during the Sonepur Mela on November 15, 2011 in Sonepur near Patna, India. The cattle fair, held in the Indian state of Bihar, has its origins during ancient times, when people traded elephants and horses across the auspicious river Ganges. The mela used to attract traders from places as distant as Central Asia. It is one of Asia's largest cattle fairs and lasts for a fortnight. (Photo by Daniel Berehulak/Getty Images)
Rescuers attempt attempt to push stranded whales back into the ocean at Ujong Kareng beach in Aceh province, Indonesia, Monday, November 13, 2017. An official said a small pod of whales was stranded at the beach and attracted hundreds of onlookers who posed for pictures with them. (Photo by AP Photo/Zulkarnaini)