A group of humans went on grueling 48-hour journey to release orangutans back into wild

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A Group of Humans Went on Grueling 48-hour Journey to Release Orangutans Back into Wild

Three orangutans are once again enjoying life in the wild thanks to the dedication of workers with the International Animal Rescue.

All had been living at a rehabilitation center in West Borneo.

The journey to get them to the Heart of Borneo conservation site was a long one, involving 2 days of travel by roads, river, and on foot.

Prior to departing, the primates were carefully placed in large crates.

When transit by car or boat wasn't an option, rescue workers carefully carried the animals towards the destination.

All three will be monitored for up to 2 years to ensure they thrive in their new environment.

Recently, the International Union for the Conservation of Nature changed endangered status of the Bornean orangutans to critically endangered.

RELATED: Thailand trafficked orangutans return to Indonesia:

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NTP: Thailand trafficked orangutans return to Indonesia
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NTP: Thailand trafficked orangutans return to Indonesia
One of fourteen orangutans waits in a cage to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
A Thai official gives glucose drink to one of fourteen orangutans waiting in cages to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Barito, a female orangutan, waits in a cage to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
One of fourteen orangutans waits in a cage to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
A Thai offical gives a glucose drink to one of fourteen orangutans waiting in cages to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Thai officials move orangutans in cages on to an Indonesia air force C-130 transport plane at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in a repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Thai workers move orangutans in cages to be loaded on to an Indonesia air force C-130 transport plane at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in a repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
A Thai officer give bananas to orangutans in cages waiting to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
One of fourteen orangutans waits in a cage to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Two of fourteen orangutans wait in cages to be sent back to Indonesia at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. These orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in the repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Thai workers move orangutans in cages to be loaded on to an Indonesia air force C-130 transport plane at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in a repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
Thai officials move orangutans in cages to be loaded on to an Indonesia air force C-130 transport plane at a military airport in Bangkok, Thailand, Thursday, Nov. 12, 2015. Fourteen orangutans were allegedly smuggled out of Indonesia into a private zoo in Thailand. Thailand and Indonesia have cooperated in a repatriation program to return the primates to their original habitat. (AP Photo/Sakchai Lalit)
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