Today, just as Alex entered the greenhouse to coordinate our crazy weekend schedule, the fan came on by itself. It's powered by a single solar panel on the roof of the greenhouse, but it has never come on before. Alex surmises that the recent downpours cleaned off the panel enough to make it usable. I also wonder if it is connected to a thermostat somewhere, since it turned itself off about 20 minutes later, after I'd opened the vent. Regardless, I'm delighted. We have a greenhouse ventilated by solar power.
Also, tonight, I spotted the first fireflies of the season. Summer must be here at last.
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