1WCPO_RPU_Harapan.jpg Dr. Terri Roth and two members of the Rhino Protection Unit sit on a boat headed down the Way Kanan River in the Way Kambas National Park of Lampung, Sumatra on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 2Harapan_RPU_Web-4.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. Members of the unit leave out fresh water daily for animals in the area as part of their conservation efforts.Photo by: Emily Maxwell 3Harapan_RPU_Web-10.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. The Rhino Protection Unit is instrumental in keeping the park safe for wild rhinos and protecting the animals at the Sumatran Rhino Sanctuary. The Rhino Protection Unit has not had a Sumatran rhino death to poaching in over seven years.Photo by: Emily Maxwell 4Harapan_RPU_Web-5.jpg The Rhino Protection Unit builds campsites along the Way Kambas National Park where they protect endangered wildlife in the area.Photo by: Emily Maxwell 5Harapan_RPU_Web-7.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. The Rhino Protection Unit is instrumental in keeping the park safe for wild rhinos and protecting the animals at the Sumatran Rhino Sanctuary. The Rhino Protection Unit has not had a Sumatran rhino death to poaching in over seven years.Photo by: Emily Maxwell 6Harapan_RPU_Web-12.jpg Dr. Terri Roth and a member of the Rhino Protection Unit look at endangered trees in the Way Kambas National Park in Lampung, Sumatra on Tuesday, Nov. 3, 2015. Certain species of trees are picked by poachers for use in men's colognes.Photo by: Emily Maxwell 7Harapan_RPU_Web-11.jpg The Cincinnati Zoo team followed the Rhino Protection Unit on a trek through the rainforest after finding evidence of elephant herds in the area. While no elephants were found that day, elephants are one of the species protected by members of the Rhino Protection Unit in the park.Photo by: Emily Maxwell 8Harapan_RPU_Web-9.jpg The Cincinnati Zoo team took a tour of the Way Kambas National Park with the Rhino Protection Unit on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 9Harapan_RPU_Web-6.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. This is a trap for Sumatran tigers, a species also struggling for survival in its natural habitat, that was disabled by the unit.Photo by: Emily Maxwell 10Harapan_RPU_Web-14.jpg Two members of the Rhino Protection Unit post up on a boat headed down the Way Kanan River in the Way Kambas National Park where they patrol daily for potential threats against the endangered species on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 11Harapan_RPU_Web-15.jpg Monkeys perch in a tree along the Way Kanan River in the Way Kambas National Park in Lampung, Sumatra. The Rhino Protection unit patrols the area daily for potential threats to endangered wildlife, including poachers.Photo by: Emily Maxwell 12Harapan_RPU_Web-19.jpg A group of monkeys search roam the shore of the Way Kanan River during a boat ride with the Rhino Protection Unit in the Way Kambas National Park in Lampung, Sumatra on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 13Harapan_RPU_Web-2.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. The Rhino Protection Unit is instrumental in keeping the park safe for wild rhinos and protecting the animals at the Sumatran Rhino Sanctuary. The Rhino Protection Unit has not had a Sumatran rhino death to poaching in over seven years.Photo by: Emily Maxwell 14Harapan_RPU_Web-17.jpg A crocodile floats by the shore on the Way Kanan River in the Way Kambas National Park in Lampung, Sumatra on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 15Harapan_RPU_Web-8.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. The Rhino Protection Unit is instrumental in keeping the park safe for wild rhinos and protecting the animals at the Sumatran Rhino Sanctuary. The Rhino Protection Unit has not had a Sumatran rhino death to poaching in over seven years.Photo by: Emily Maxwell 16Harapan_RPU_Web-18.jpg The Way Kambas National Park is filled with wildlife along the Way Kanan River, including large birds, where the Rhino Protection Unit patrols daily for threats against endangered wildlife in the area.Photo by: Emily Maxwell 17Harapan_RPU_Web-16.jpg The sunset over the Sunda Strait after a boat ride and tour of the Way Kambas National Park in Sumatra on Tuesday, Nov. 3, 2015.Photo by: Emily Maxwell 18Harapan_RPU_Web-13.jpg The Rhino Protection Unit combs the Way Kambas National Park daily for potential threats against the endangered species living within the park, including Sumatran rhinos. The Rhino Protection Unit is instrumental in keeping the park safe for wild rhinos and protecting the animals at the Sumatran Rhino Sanctuary. The Rhino Protection Unit has not had a Sumatran rhino death to poaching in over seven years.Photo by: Emily Maxwell