Cyrex686 along with his friends started the journey of unraveling the mystery. He didn’t have much knowledge about industrial building but he had some assumptions about it. He said- “Our best guess is it was sealed off in the 1980s.”
It was so dark behind the hole that even a flashlight couldn’t help them to figure out what is hidden. Earlier this place was an industrial complex and now it has turned into a residential place. As the darkness was becoming their enemy, so he had to open the hole to find the secret.