#nabta-playaUnmoderated tagAll postsTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文Comunidad LatinaSteem AllianceAVLE 일상Tron Fan ClubWORLD OF XPILARSteem POD TeamExplore Communities...#nabta-playaTrendingHotNewPayoutsMutedcornerston (45)in #nabta-playa • 7 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…
