This is a big concrete block that was made using large pebbles. The bent metal bar is put into the concrete before the concrete gets hard. An excavator can use the bar as a handle when it moves the block.
photo credit: L. Agler
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| This is a big concrete block that was made using large pebbles. The bent metal bar is put into the concrete before the concrete gets hard. An excavator can use the bar as a handle when it moves the block.
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