Longyou Caves
24+ large man-made sandstone grottoes, China; no historical record of construction.
Dated events and their evidence
- 100 BCE mainstream
Western Han pottery = cut ≥2000 yr ago source
Where
29.0333° N, 119.1667° E
Sources
Each event carries Aion's own evidence grade (mainstream, disputed or speculative). This page repeats what the globe shows for this place.