Cobblestone - online puzzles

Cobblestone

Cobblestone is a natural building material based on cobble-sized stones, and is used for pavement roads, streets, and buildings.

Setts, also called Belgian blocks, are often casually referred to as "cobbles", although a sett is distinct from a cobblestone by being quarried or shaped to a regular form, whereas cobblestone is generally of a naturally occurring form and is less uniform in size.

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