The Light

Riddle: There was a couple who lived in a house, they turned on a light every night and turned it off in the morning. One night they forgot to turn on the light and 250,000 people died. Why?

Answer: It was a lighthouse!

Source: https://www.riddles.com/3651

There was a couple who lived in a house, they turned on a light every night and turned it off in the morning. One night they forgot to turn on the light and 250,000 people died. Why? — The light by Kittycute v1.

Riddle: There was a couple who lived in a house, they turned on a light every night and turned it off in the morning. One night they forgot to turn on the light and 250,000 people died. Why? Answer: It was a lighthouse! — by Kittycute v2.