Used for water distribution, the Delaware Aqueduct in New York, USA is the longest tunnel in the world (as of 2010). Drilled through solid rock, it reaches a staggering 137 kilometres (85 miles) in length. More tunnel facts.

It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.

In 1946, the New York Yankees became the first baseball team to travel by plane.

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