The office building has been experiencing paranormal activity lately. Some claim to have seen it with their own eyes, and many colleagues have been so scared that they leave work early, leaving the whole building empty.
One day, shortly after finishing work, the power suddenly went out in the office building. In a panic, all the colleagues rushed to leave, and within moments, only Xiao Yang remained.
Xiao Yang felt his way out of the office, and the area outside was pitch black. He noticed that the two indicator lights on the elevators were still lit, glowing a bright red. Relieved that the elevators hadn't lost power, he approached the indicator lights and waited for the elevator.
He waited for a while, but the elevator didn't arrive. Just then, a close colleague called Xiao Yang.
"Hey, are you coming down?"
"I'm waiting for the elevator."
"Are you kidding? The entire building has lost power, including the elevators. We all came down using the stairs."
Xiao Yang looked at the two glowing indicator lights, which blinked like human eyes...