In Thailand, most of the salt used comes from brine salt farms, and the largest number of these brine salt farms are close to Bangkok in Samut Sakhorn. These large watery fields resemble rice paddis - except for the obvious absence of rice. To make the salt, the fields are flooded with sea water pumped in from the nearby Gulf of Thailand, dammed, and left to dry naturally in the sun. When the water has evaporated, the salt is piled and taken away to be cleaned and bagged for sale. Along Highway 35 there are plenty of vendors along the roadside selling huge bags of salt. It takes about one month for the water to evaporate and create salt.