#nabta-playaUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaBeauty of CreativityTron Fan ClubAVLE 일상Steem For Lifestyle#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…
