The mortars and candles are all placed on a barge, which is moored just offshore in the Columbia River. The entire show is fired by a computer and is synced with music that is broadcast on a local FM radio station. The head honcho is required to hold down a "deadman switch" for the entire length of the display (about 45 minutes.) If he releases the button, the show stops....
Uploaded by Paul Vernon Photography on 14 Dec 06, 2.20AM CDT.
