Alf33 If all else fails, lower your standards. Silver Donor Jun 8, 2013 986 2,510 220 Aug 14, 2018 #1 I found this on the Popular Mechanics website. It's about the history of roller coasters. https://www.popularmechanics.com/technology/design/a22687390/history-of-roller-coasters/ Reactions: Zimmy, CastleOSullivan, Nicole and 1 other person
I found this on the Popular Mechanics website. It's about the history of roller coasters. https://www.popularmechanics.com/technology/design/a22687390/history-of-roller-coasters/
