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Portal Walkthrough Escape 1

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Fling yourself from where you are to the upper balcony.

Portal past this wire fence and through the door.

Portal past the big fans and into the main room. Then get across onto the railway and keep moving on.

Fling yourself onto this piece of metal.

Jump into the tube and have fun flying.

Get to the button and stand on it. Then Shoot your portal behind the door and go through it to the exit. Jump down beneath the elevator.

Use the pistons to help you get a portal on top of this wall and then get on it. Walk across the vertical piston.

Fling yourself in this small room to get up to the ledge.