Maisie's 5 Sentence Challenge

I enter the tunnel and start running down its narrow path.

I notice side passages branching off to the left and right.

All of the side paths appear the same as the main tunnel, dirty, dark and noisy.

I hear whoosh and a heard of footsteps with people rushing in different directions.

I look at my map and realise that I'm not in a tunnel but on the London Underground.