Unsolved Riddle

Riddle: I could sell tickets day and night, I am always awake I never get a break. What am I?

Answer:

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Source: https://www.riddles.com/7505

I could sell tickets day and night, I am always awake I never get a break. What am I? — Unsolved Riddle by Kathleendoherty v1.

Riddle: I could sell tickets day and night, I am always awake I never get a break. What am I? Answer: I don’t know. — by Kathleendoherty v2.