bedding brown clay crack curls dead dehydration desert dried dried-up drought dry dryness dust earth evaporate evaporation heat hot Mud river bed sand Soil summer surface thirst weather atmosphere cloud clouds cloudy nature Puffy rain skies sky smokey amethyst art balance balancing calm dreamy horizon landscape liquid luxurious meditation Natural landscape purple Salt evaporation pond stone water zen billies billy conserved-heat container convenient cooking-device durability durable economical efficient fuel-minimises fuel-minimizes handles heat-loss-minimised heat-loss-minimized heat-retention ice-cooler inner-pots insulated insulation keeps-flavour less-evaporation lids non-electric pan picnics portable portable-oven pot pots retained-heat retains-nutrients rice-cooker safe safer sauce-pan slow-cooker spill-proof stainless-steel strong thermal-cooker thermal-cooking thermal-insulation thermos-vacuum travel vacuum-cooker vacuum-flask water-saver zero-energy-use