#nabta-playaUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemit FeedbackSteemitCryptoAcademyআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOSteem VenezuelaSTEEM CN/中文Beauty of CreativityComunidad LatinaTron Fan ClubAVLE 일상#nabta-playaTrendingHotNewPayoutsMutedcornerston (45)in #nabta-playa • 9 years agoAfrica Astronomy: The Stone Calendar of Nabta Playa, NubiaBy even the more conservative estimate, these are by far the most certain ancient megalithic astronomical alignments…
