the.com/hotspring
geothermal jacuzzi where the planet does your spa day for free
means A natural pool of water heated underground by geothermal activity, bubbling up warm enough to bathe in.
from A plain English compound of "hot" and "spring," the latter from Old English springan, "to leap or burst forth" — naming the way water springs up from the ground, here arriving pre-warmed by the earth's own furnace.
- temperature
- some exceed boiling, cooking the careless instantly
- monkey clients
- Japanese macaques soak to survive snowy winters
- extreme life
- heat-loving microbes here inspired DNA-copying technology
- colors
- bacteria paint pools turquoise, orange, and blood red
- oldest spa
- humans have bathed in them for millennia
blue lagoon — geothermal spa in iceland near reykjavik, 37-39°c mineral-rich water
rotorua hot springs — geothermal area in new zealand with geysers and pools reaching 100°c+
banff hot springs — natural thermal springs in alberta, canada, 37-40°c within rocky mountains
onsen hot springs — thousands of thermal springs across japan, culturally central since medieval times