The central zoo of Pyongyang was the host of the dying cries of a mother tiger standing on her dead puppy, trying to revive her lifeless body.
The great mentally distressed feline and his companion pacing back and forth were careless by the staff who ignored them, experts said.
The welfare experts reacted with total disbelief after being shown the conditions of the zoo that has been a favorite of the supreme leaders of North Korea for generations.
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A mother tiger moans devastated while her cub lies inert and lifeless at the Pyongyang Zoo
Most of the animals were donated to the zoo around the world, but the Mirror reported that it is far below the expected standards.
It's disgusting, even the children were encouraged to cheer and cheer for their teachers. Experts suggest that this is extremely bad for the mental well-being of animals.
Wendy Higgins of Humane Society International said: "This is a devastating and rare sight of the incredibly poor existence of animals in this zoo.
"It's not surprising that we see the big cats here that demonstrate the stereotyped repetitive rhythm of the cages, classic signs of mental anguish as animals struggle to cope with monotony and deprivation."
A zoo staff member stands next to a replica of a crocodile in the Central Zoo
Visitors watch the bears at the Central Zoo in Pyongyang, North Korea, on Saturday, September 15, 2018
The experts added that the animals showed "classic signs of torment" and described the attraction as "one of the worst cases of animal psychological abuse ever seen."
The Mirror reported that its journalists only saw two zookeepers on their two-hour trip through the grounds.
They added that their caregivers did not think about the shameful conditions and even showed pride in the zoo at certain points.
The zoo was opened in 1959 by Kim Il-sung, grandfather of Jong-un and the original supreme leader of North Korea.
Experts said that animals had no choice to be out of sight and that this was bad for mental well-being
North Korean schoolchildren watch the seals swimming in a tank at the Pyongyang Central Zoo
The Kims claimed to be animal enthusiasts, with Jong-un admiring the deadly snakes and investing millions in updating the zoo in 2016, ordering the main entrance to take the form of a huge tiger head.
Kim Il-sung visited the site 20 times, his son Kim Jong-il 31 times and the current leader Jong-un six times so far, but the interest has not done anything for the welfare of the animals.
Dr. Chris Draper, head of welfare at the animal rights organization Born Free Foundation, said the zoo was "totally inappropriate" for all animals.
He told the Mirror: "Their cages are small, naked and there is no way to withdraw from the public's eyes for them." It is very alarming to see the mother [tiger] and dead puppy. There should be a veterinarian on the scene right away.
A man from North Korea looks through a device to study the vision of a dinosaur
A child from North Korea studies information on dinosaurs at the Central Zoo in Pyongyang