I love the way human activity is categorized on Wikipedia. I feel this might be how aliens file their human observations. : r/wikipedia
File:The National Guard stand in front of The Ivy Building in Minneapolis, Minnesota on Friday morning. (49948902241).jpg - Wikimedia Commons
Fire services in the United Kingdom - Wikipedia
Fireman Ed Anzalone (@firemaned42) • Instagram photos and videos
Q-U-I-T, Quit! Quit! Quit! Fireman Ed Hangs Up His Helmet - The New York Times
Fireman Ed Through the Years
File:Gédéon Naudet and Jules Naudet, May 2003 (2).jpg - Wikipedia
File:DhEm 4HUcAABmQf.jpg - Wikipedia
Detroit Fire Department - Wikipedia
Last Man Down: A Firefighter's Story of Survival and Escape from the World Trade Center: Picciotto, Richard, Paisner, Daniel: 9780425189887: : Books