Gansu/Gobi grid structures.
discreditedmilitary_installationTehran F-4 UFO incident (1976)
The Gansu/Gobi grid structures are large geometric patterns in China's desert, imaged by satellite, that were speculated online to be alien or secret bases. They were identified as military…
The Gansu/Gobi grid structures are large geometric patterns in China's desert, imaged by satellite, that were speculated online to be alien or secret bases. They were identified as military optical-calibration and instrumentation targets used to align imaging satellites, so the alien claim is debunked. They matter as a clear case of satellite-imagery pareidolia resolved by mundane explanation.