Jakarta Post: In the past two years, Unyil, 6, has only been able to exercise by swinging from one rope to another in a square enclosure at the Animal Rescue Center in Petungsewu, Malang, East Java. It is uncertain how long the male Kalimantan orangutan (Pongo pygmaeus) will remain in the eight meters square enclosure. This is because all of the enclosures in the orangutan reintroduction center in Nyari Menteng, which is about 30 kilometers away from Palangkaraya, the capital of Central …