#nabta-playaUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOSTEEM CN/中文AVLE 일상Beauty of CreativityComunidad LatinaTron Fan ClubSteem 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…
