White Salt Crystals Collected By Farmers At Natural Salt Pans Of Salinas de Rio Maior In Portugal

white salt crystals collected farmer natural salt pans salinas de rio maior portugal worker shovel wheelbarrow farm landscape saline salty salterns pile hot sea summer ingredient evaporation nature food outdoor tropical salina cultivate travel industry sunny work salted traditional field deposit mineral gathering destination facility harvesting salinas extraction production saltworks spice tourism high angle