Drain Waves

...at Ulrich’s Teich (pond; https://www.blipfoto.com/entry/2300215068769389558 ), near Holzminden, where we spend a few days at our parents’ residence on Christmas. As extras the nearby Boarding School’s disused electrical substation (the new one is just a mousy brown box to the left), and the almost overflowing Hasselbach (brook).