Berlin Zoo reveals names of panda twins

"We have waited a long time for this joyful occasion," said Andreas Knieriem, director of Berlin Zoo, adding that "our two panda boys keep making us smile despite the gloomy December weather."

Berlin Mayor Michael Mueller said that "all animal and zoo fans in Berlin have been following the development of our two Berlin pandas with great excitement." He called the two cubs a "wonderful gift" for the city of Berlin and for the zoo in particular.