Lincoln, left, a six-month-old male red panda cub, watches tentatively as housemate Xue Li, top, a seven-month-old female cub, climbs around their shared home in the nursery of the Boyd Family Red Panda Village at Knoxville Zoo in Knoxville, Tenn. on Friday, Jan. 24, 2014. (AP Photo/Knoxville News Sentinel, Adam Lau)

ADAM LAU