Complex sentence: Most cheese is made by the shepherds themselves through the mountain and the typical cheese is called "brocciu" (with sheep milk), which one you can find near Porto-Vecchio but in this area, the cheeses are often pressed and have dry crusts.
Split into simpler sentences: Most cheese is made by the shepherds themselves around the mountain and the most typical cheese is called "brocciu", which is prepared with sheeps milk, and you can find this one easily near Porto-Vecchio. Moreover, in this area, the cheeses are often pressed and have dry crusts.