Sepilok Orangutan Rehabilitation Center was established in 1964 AD, and it is one of the most famous orangutan rehabilitation sites in the world, covering a spacious area of 43 square kilometers, It is also home to 60-80 orphaned or injured orangutans who are raised and trained to live in the wild and then released, and some of them return to the center at the time of eating and then return to the forest again, allowing visitors to see and approach them at times.