Newborn Cubs Bolster Panda Population In Sichuan Province

CHENGDU, CHINA - JUNE 30: A veterinarian stimulates a week-old panda cub to urinate at the Chengdu Research Base of Giant Panda Breeding on June 30, 2015 in Chengdu, China. Female twin cubs, concieved by four months before by artificial insemination, were born to seven-year-old Kelin on June 22 at the center. China's Sichuan province is home to the majority of the the world's nearly 1,900 endangered giant pandas. (Photo by John Moore/Getty Images)