History: The Paris Expo's (1900) moving sidewalk (right) with the Italian Pavilion (left) [1200 x 905]

https://i.redd.it/gtbc7z1n04f61.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/lb32ko/the_paris_expos_1900_moving_sidewalk_right_with/?utm_source=ifttt