Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second-line) One-horned rhinoceros in Nepal April 3, in The Chitwan National Park in southern Nepal, a veterinarian prepares an anesthetic darts to capture a one-horned rhinoceros. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught into a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP

Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second-line) One-horned rhinoceros in Nepal On April 3, in Kitwan National Park in southern Nepal, technicians set off on a tamed elephant to look for one-horned rhinos. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second-line) One-horned rhinoceros in Nepal On April 3, in Kitwan National Park in southern Nepal, a veterinary technician prepares to catch a one-horned rhino with darts. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second-line) One-horned rhinoceros in Nepal On April 3, in Kitwan National Park in southern Nepal, veterinary technicians collected information samples from a one-horned rhinoceros. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua Photo, Waidai, April 4, 2017 (Waidai Second Line) One-horned rhino in Nepal On April 3, in Kitwan National Park in southern Nepal, technicians anesthetized a one-horned rhino in order to relocate it elsewhere. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second line) Nepal's one-horned rhinoceros April 3, in the Chitwan National Park in southern Nepal, technicians riding an elephant and preparing to set off in search of one-horned rhinoceros. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua News Agency photo, Waidai, April 4, 2017 (Waidai second line) One-horned rhinoceros in Nepal April 3, in The Chitwan National Park in southern Nepal, a veterinary technician prepares anesthesia darts for the capture of one-horned rhinos. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught into a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP
Xinhua Photo, Waidai, April 4, 2017 (Waidai Second Line) One-horned rhino in Nepal On April 3, technicians prepare to fire an anesthetic dart at a one-horned rhino in Kitwan National Park in southern Nepal in order to relocate it elsewhere. Due to the high economic value of rhino horn, the locally cherished one-horned rhino is often hunted by poachers. Authorities in Nepal will soon release the five one-horned rhinos caught in a national park to increase the number of one-horned rhinos in the area. Xinhua News Agency/AFP