Francisco da Silva Vale, 61, cools off fish with ice produced on solar-powered ice machines at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 23, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. (Photo by Bruno Kelly/Reuters)

A girl of the Amazonian Tatuyo tribe poses while waiting to sell crafts to tourists in her village in the Rio Negro (Black River) near Manaus city, a World Cup host city, June 23, 2014. Because of their proximity to host city Manaus and their warm welcome, the Tatuyo have enjoyed three weeks of brisk business thanks to the World Cup. Usually, they host between 10 and 30 tourists a day. During the World Cup, this number has rocketed to 250 a day, They have become richer and other communities now come to them to sell them juices and fishes. (Photo by Andres Stapff/Reuters)

The new Amazon tablet called the Kindle Fire is displayed on September 28, 2011 in New York City. The Fire, which will be priced at $199, is an expanded version of the company's Kindle e-reader that has 8GB of storage and WiFi. The Fire gives users access to streaming video, as well as e-books, apps and music, and has a Web browser. In addition to the Fire, Bezos introduced four new Kindles including a Kindle touch model. (Photo by Spencer Platt/Getty Images)

Toby, an 11-year-old German shepherd-husky mix, can hold almost anything on his head that his owner, Pat Langner, can think up, including balls, Christmas trees, and even the ingredients for a peanut butter and jelly sandwich. He also shows remarkable self-restraint by not immediately gobbling down the food that his owner gives him to balance. Here: Toby balances halloween decorations on his head. (Photo by Pat Langer/Caters News Agency)

A U.S. Army soldier with the 10th Special Forces Group and his military working dog jump off the ramp of a CH-47 Chinook helicopter from the 160th Special Operations Aviation Regiment during water training over the Gulf of Mexico as part of exercise Emerald Warrior 2011 on March 1, 2011. (Photo by Tech. Sgt. Manuel J. Martinez/U.S. Air Force)

A canine-crazy photographer helped make his dog healthy after seeing him raid the fridge by posing him up with fruit. Scott Cromwell, 43, from Oklahoma City, caught faithful mutt Winston guzzling hot dogs after he looted the refrigerator. Well-trained Winston was then happy to get his five-a-day by taking tongue-in-cheek snaps with red apples, bananas, grapes, limes and orange. (Photo by Scott Cromwell/Caters News)

A dog competes during the during the 6th annual Loews Coronado Bay resort surf dog competition in Imperial Beach, near San Diego on June 4, 2011. (Photo by AFP)