The tunnel was built in approximately 1840 for the earliest railroad in Cincinnati. The train ran overhead. It drains to the Little Miami River.

Steel wool was packed into a kitchen whisk. A shoestring was tied to the whisk. The steel wool was ignited and spun in a circle. It burns at 2500 degrees F. for about 8 seconds.

Canon EOS 6D, Lens: EF24-105 set at 24mm, Iso 250, f/5.6, 5 second exposure.