This is a cruise ship at port in Skagway, Alaska. I liked the repeating pattern of the identical verandas. The glass doors give the appearance of windows. Converted to black and white in Photoshop. Canon 7D MII with Canon 100-400mm f/4.5-5.6L IS II USM lens and Canon Extender EF 1.4X III, 560mm f/8 ISO-400 at 1/1250 sec.