Digging up history through old bottles

Christian Laub recently shattered his heel. Holed up at home, he decided to put together an Instagram page about the old bottles he’s been digging up. He put it up two weeks ago, and has been amazed at the response.
“It’s pretty crazy,” he said. “There’s literally people all over the world doing bottle digging, from Russia to the States to Japan. I’m talking to people all over the world now that do this.”
The quick response may be due to