Errich hears a faint clattering noise coming from somewhere beyond the barricade. Raising his sunrod, he can see that the tunnel opens up into a larger room ahead, with a large rectangular object in the middle.
Across from the barricade, the main passage continues off into the gloom.
OOC:
To clarify, since I'm being lazy about the map, the barricade blocks a side passage but you can also proceed further into the main passage.