"The research involved having real shark fin, so they could have a reference point," he said.
"Without shark fin, a Chinese banquet does not look like one at all."
It is the only early "shark fin" B-17 known to exist.
"It's too deep to wade, and I don't like the look of those shark fins in the center."
There's a big rock like a shark fin in the middle of the gully.
On an earlier voyage that summer, the ship had made $6 million from shark fins obtained the same way.
In the past, Illinois has been a large importer of shark fins.
Vegetarian shark fin made from soy can be found on the markets.
The search for shark fins drives the illegal hunting trade.
Almost all included shark fin, which is particularly popular at wedding banquets.