The courses also vary from blacktop to concrete, which lends to the feeling of driving in unique places like Toronto and Iceland.
Toynbee tiles are linoleum tiles of unknown origin found embedded in the asphalt of streets in about two dozen major cities in the United States and four South American capitals.
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In Monday Begins on Saturday, it is mentioned that the Danaids had their case reviewed in modern times, and, due to mitigating circumstances (the marriage being forced) had their punishment changed to laying down and then immediately demolishing asphalt.