Haha, this reminds me of 1984. I was working offshore out of New Orleans, had been by the office there, and still had a day to spare, so I went to the World's Fair. It was one of their slowest days excepting for Jimmy Carter's visit, which I found to be a good act to follow, as the area behind their wake was rather vacant as if in a vacuum.
Anyhow, I saw one poor fella lugging one of those heavy asked cameras on his shoulder, with a heavy asked battery in a carrying case strapped over his other shoulder. He was a sweat case now, and had a wife and several kids running all around him. Man I sure felt sorry for that fella