Timeline of Acceleration 2 - Image Index | Yenra The Tunnel of Lights: A tunnel with a unique, curved shape that stretches into the distance. The walls of the tunnel are covered in a series of small, round lights that reflect off the shiny floor, creating a mesmerizing pattern of light and color. The tunnel's interior is dark, but the lights provide enough illumination to reveal its circular shape and the people walking through it. The overall effect is one of wonder and curiosity, as if the viewer has stumbled upon a hidden world within a world.