In a quiet stretch of farmland in western Thailand, a set of excavations that began almost casually has started to reshape how archaeologists think about life in the region two millennia ago. What started with fragments of old bronze drums pulled from a rice field has turned into something more layered, with burials, ornaments and traces of long-distance cultural contact emerging from the soil.

Officials in Thailand have discovered two gold rings that are around 2,000 years old

Two gold rings aged around 2,000 years old were discovered during an excavation at a new archaeological site in western Thailand, officials said. The...