01 Jun The World’s Longest Glass Foot Bottom Foot Bridge Opens In Vietnam! ByMaster Plaques// 0 Comments// General News, Just For Fun, Science Previous: US Air Force’s newest stealth bomber the B-21 Raider to take its first flight in 2023. Next: The Air Force’s secret 6th-generation ‘fighter’ is now officially in development! About The Author Master Plaques Leave a ReplyYou must be logged in to post a comment.