C49 Black Market

"Just keep walking a bit further, and you'll come across a water pipe that looks like it's been broken into three sections. There's a staircase right next to it."

"Take that staircase up to the second floor, and you'll find a small room. Open the door and step inside, and you'll see another door."

"Open that second door, and you'll be greeted by another staircase. Head down those stairs