An installation entitled “Take my lightning but don't steal my thunder” by British artist Alex Chinneck stands in Covent Garden on October 2, 2014 in London, England. The installation is intended to cast the illusion that a 40-foot section of the Covent Garden's 184-year old market building is floating. “Take my lightning but don't steal my thunder” will be on display from 2nd to 24th October 2014. (Photo by Rob Stothard/Getty Images)

“Spa treatments don't stop with people. You won't see any aromatherapy candles around, but animals get massages, too, and it's become a regular service that many pet owners value as more than just glorified petting. Practitioners say massage can be a preventive measure for younger animals and rehabilitative for older ones by boosting flexibility, circulation and immunity”. – Terry Tang via The Associated Press. Here: in this November 6, 2014 photo, Shelah Barr of Happy Hounds Massage gives a massage to Dewie, 2, at the home of Laurie Ubben in San Francisco. (Photo by Jeff Chiu/AP Photo)

A devotee of the Afro-Brazilian goddess of the sea Lemanja pays tribute on Lemanja's Day at Ramirez beach in Montevideo February 2, 2015. On this day every year, worshippers light candles at a shrine and throw sweets, alcoholic drinks, fruits and cheap jewellery into the sea as offerings to ask for good health and luck in love and work. (Photo by Andres Stapff/Reuters)

Alaa, an ambulance driver, feeds cats in Masaken Hanano in Aleppo, September 24, 2014. Alaa buys about $4 of meat everyday to feed about 150 abandoned cats in Masaken Hanano, a neigbourhood in Aleppo that has been abandoned because of shelling from forces loyal to Syria's president Bashar Al-Assad on it. Alaa said that he has been feeding and taking care of the cats for over 2 months. (Photo by Hosam Katan/Reuters)

Sheriffs' deputies look at wreckage from the crash of Virgin Galactic's SpaceShipTwo near Cantil, California November 2, 2014. A suborbital passenger spaceship being developed by Richard Branson's Virgin Galactic company crashed during a test flight on Friday at the Mojave Air and Space Port in California, killing one crew member and seriously injuring the other, officials said. (Photo by David McNew/Reuters)

A girl plays in the Eshash el-Sudan slum in the Dokki neighbourhood of Giza, south of Cairo, Egypt September 2, 2015. Residents of the slum clashed with police in late August, when about 50 ramshackle huts were destroyed and at least 20 people were injured by teargas, local media reported, as authorities attempt to clear the area and rehouse residents. The slum dwellers, some of whom have called Eshash el-Sudan home for 50 years, say there are not enough apartments built nearby to house them. The residents of the slum eke out a living by disposing of rubbish or baking bread. Schooling is too expensive for most of their children, who play with salvaged rubbish amid shacks made out of discarded wood and leather. (Photo by Amr Abdallah Dalsh/Reuters)

A migrant woman pulls a girl out of the water as refugees and migrants arrive on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. A record number of at least 430,000 refugees and migrants have taken rickety boats across the Mediterranean to Europe this year, 309,000 via Greece, according to International Organization for Migration figures. (Photo by Dimitris Michalakis/Reuters)

Farmer Zhang Xianping rides his pig "Big Precious" during an interview with the media, in Zhangjiakou, Hebei province, China, November 2, 2015. Zhang, a pig breeder, instead of killing it, decided to keep the two-year-old "Big Precious" as pet when its weight reached 600 kg, according to local media. (Photo by Reuters/China Daily)