Full Resolution 45 minutes later and en route to the airport, our driver gets a call. After a bit of translation, we figure it out: the hotel wants their key back, and I still have it. Uh oh. However, there's an easy solution at hand: we flag down a motorbike, and he's gong to Lonar (not surprisingly -- it's the only major town around). So he'll get that key back to the MTDC for me.
