Sea smoke, frost smoke, or steam fog, is fog which is formed when very cold air moves over warmer water. That day is was -4 degrees Fahrenheit / -20 degrees Celsius. The little island is the so called five mile rock 5 miles NE of Grand Marais, Minnesota.
Your image gets printed directly onto a sheet of 1/16" thick aluminum. The aluminum sheet is offset from the wall by a 3/4" thick wooden frame which is attached to the back. The high gloss of the aluminum sheet complements the rich colors of any image to produce stunning results.