HEARTWARMING PHOTOS! Animals at their very best
Antarctica: Penguins play at Chile's military base Presidente Eduardo Frei, in the King George Island, in Antarctica.
United States: Turtles sunbathing on a log at the Smithsonian's National Zoo in Washington, DC.
Greece: Four month old lion cubs play at their enclosure at the Attica Zoological Park in Spata, east of Athens.
Germany: A Gentoo penguin swims through its basin at the Tierpark Hellabrunn zoo in Munich, southern Germany.
Germany: The 14-week-old polar bear twins play with their mother in their enclosure during the first outside excursion in the zoo in Munich Hellabrunn, southern Germany.
Bangladesh: Fisherman feed their otters as they catch fish in Narail, near Dhaka. The fishermen are using a rare technique that relies on coordination between man and trained otters, a centuries-old fishing partnership that has already long died out in other parts of Asia.
China: Man posing with two Tibetan mastiffs after they were sold at a "luxury pet" fair in Hangzhou, in eastern China's Zhejiang province. One of the Tibetan mastiff puppies (L) was sold for almost two million USD, the most expensive dog sale ever.