It may be cold outside but these hilarious images of the real Kung Fu Pandas enjoying some playtime in the snow are enough to melt any heart.   The cute creatures were snapped rolling around in the Vienna snow as they seemed to delight in a lengthy but friendly fracas.   In scenes similar to that of the martial arts DreamWorks animation, the male and female Red pandas were spotted by Austrian photographer, Josef Gelernter.   The 31-year-old watched as the affectionate altercation unfolded at the Tiergarten Schönbrunn Zoo in Vienna.   Josef said he was delighted to have witnessed the event and could have watched the playful pandas for hours.   The father-of-two said: "It was as though the snow had stimulated their urge to play, just like children really.   "They were very lively and even had to take breaks in between to regain their strength.   "They took some time out to eat carrots and bamboo and then starting fighting all over again.   "They were moving really quickly so it was quite difficult to capture but I think I managed to get some nice shots.   "The pandas repeated this about five or six times before exhausting themselves and falling asleep.   "The male panda wanted to carry on playing but the female was clearly very tired so he gave up in the end.   "It was such a joy watching them play, the snow seemed to really bring out the life in them.   "It was simply amazing, I could have watched them for hours. They looked so cute."