A short walk South along Route 9 from the blue house, the Old Croton Aqueduct trail crosses the road. I turned onto this and headed towards home. Above: One of the 21 ventilators,conical stone towers about 20 feet high, that were placed about a mile apart along the Aqueduct “to give free circulation of air through the Aqueduct,” in the words of the chief engineer John Jervis.

Sparta Brook as it passes under the Old Croton Aqueduct trail.

Taken with a Fuji X-E3 and Fuji XC 16-50mm f3.5-5.6 OSS II