Correct! La gravità e la pressione, simple gravity and pressure, is the right answer. 4. Many trulli were built so that they could be dismantled and rebuilt very quickly, but why is this? To avoid paying tax on homes built on the King's land - if the tax collector arrived, trulli homes could be quickly moved to a cheaper area. Early dwellers were travelling people and trulli were their equivalent of caravans or teepees. They were traditionally given as gifts to young newly-weds, so that they could set up home anywhere.

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