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The Detroit–Windsor Tunnel is an underwater highway tunnel connecting Detroit, Michigan in the United States, with Windsor, Ontario in Canada. It was completed in 1930. The Detroit–Windsor Tunnel is 120 feet (37 m) short of a mile at 5,160 feet (1,573 m). At its lowest point, the two-lane roadway is 75 feet (23 m) below the river surface.

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11 Incredible Kids Playhouses Under The Stairs

$12.50 (Buy here: ) 45pcs/Lot Multicolor Children Plastic Tunnel Water Pipe Building Blocks Sets DIY Educational Games Toys for Kids Creativity Toy for just $12.50