Durango and Silverton Narrow Gauge steam locomotive D&RGW 473 leads a K-28 100th Anniversary Special with D&RGW 476 as a mid-train helper as they head south through Deadwood Gulch, approaching Silverton, Colorado on October 16th, 2023.
According to Wikipedia: The Durango and Silverton Narrow Gauge Railroad, often abbreviated as the D&SNG, is a 3 ft (914 mm) narrow-gauge heritage railroad that operates on 45.2 mi (72.7 km) of track between Durango and Silverton, in the U.S. state of Colorado. The railway is a federally designated National Historic Landmark and was also designated by the American Society of Civil Engineers as a National Historic Civil Engineering Landmark in 1968.
Tech Info: DJI Mavic 3 Classic Drone, RAW, 22mm, f/2.8, 1/2000, ISO 170.