Two under a year old baby Bornean orangutans, second left and right, cling on to their mother while another 3-year-old orangutan kisses her, Oct. 3, 2013, at the Singapore Zoo. (AP Photo/Wong Maye-E)
Two under a year old baby Bornean orangutans, second left and right, cling on to their mother while another 3-year-old orangutan kisses her, Oct. 3, 2013, at the Singapore Zoo. (AP Photo/Wong Maye-E)
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