Iceland's hot water was a culture shock to me in 2 ways:
1. The host at our apartment encouraged us to leave the windows cracked and the heat on for good air circulation.
2. The hot water (at the taps) has a sulfer smell, because it's (also) piped geothermal water. My host explained they also had a water heater upstairs in their home because they preferred "heated cold water" over "hot water", which is a funny distinction to those of us who do not have the latter.
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