#nabta-playaUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademySteemit FeedbackNewcomers' Communityআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOAVLE 일상Beauty of CreativitySTEEM CN/中文Tron Fan ClubSteem For LifestyleComunidad Latina#nabta-playaTrendingHotNewPayoutsMutedcornerston (45)in #nabta-playa • 8 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…
