"Dinosaurs Along The Silk Road" -- Sinofossa 2009 13: Jerry's Changma Talk

After the Great Wall Park, we drove to the city of Yumen, about a 3-hour drive. That night, after dinner at the hotel, it was my turn to give a little presentation to give the group more background about Changma and the stuff we'd be seeing and working in for the next three days. Sadly, this was at the end of a long, long day, and I tend to be long-winded, so...