Wuling Corridor Sweep Grid
Imagery-sweep buffer + tile grid covering the 71 tunnel placemarks in Wuling_Tunnel_Network_Source.kml. Buffer half-width 5 km, tile edge 2 km, station spacing 1.5 km. Inspect every tile at maximum zoom for surface-coupling locators (earth pimple, astro pond, shrine, MSS gravel pit, MSS tarp, anomalous vegetation, smoke / cloud obfuscation, dragon-named villages).

Buffer envelope (5 km half-width)

Sweep tiles (2 km, 1.5 km spacing)

Inspect at max zoom for: earth pimple, astro pond, shrine, MSS gravel pit, MSS tarp, anomalous vegetation, smoke / cloud obfuscation, dragon-toponym village, portal-pad institutional structures, named caves.

Tunnel centerlines (reference)

Light Rail Tunnel (0056)

Light Rail Tunnel (0057)

Light Rail Tunnel (0058)

Tunnel (0092)

Tunnel (0093)

Tunnel (0094)