#manholecoverUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemit FeedbackNewcomers' CommunitySteemitCryptoAcademyআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文Steem AllianceWORLD OF XPILARComunidad LatinaBeauty of CreativityTron Fan Club#manholecoverTrendingHotNewPayoutsMutedanswerswithjoe (67)in #manholecover • 7 years agoDid The US Accidentally Blast A Manhole Cover Into Space? | Random ThursdayIn 1957, the United States began testing nuclear weapons underground in the desert outside of Las Vegas, Nevada as…