Usually when you light paint, you put the camera on a tripod then move around with your light.  In this case, I had no tripod and it was dark enough to require seconds long shutter speeds.  What is one to do?  Move the camera around instead.  Here’s my photo of a bridge over the waterway.

Photographed by – Vu Banh

Canon 5D MKII Canon 24-70 F2.8L, 1.3s F3.5 ISO 100