Author 'Henri H' (Id 148599 ) : Between Cavaillon and Salon de Provence, there is a village Lamanon, famous for its heritage of two elements: a tercentenary plane and a prehistoric site, the circus of Cales. This circus is home to a ruined castle and caves dug by man to retrieve the blocks of stone needed for the construction of the castle and were transformed into cave dwellings until the sixteenth century. (Web site not listed, it might be to create it?).