In this Tuesday, April 26, 2016 photo provided by the San Diego Zoo Safari Park, adult Sumatran tiger Joanne and her cub make a public debut in the maternity exhibit at Tull Family Tiger Trail at San Diego Zoo Safari Park in Escondido, Calif. Visitors got their first glimpses Tuesday of multiple cubs as they romped and munched on plants in their habitat. (Photo by Ken Bohn/San Diego Zoo Safari Park via AP Photo)
