I have found that saying "Hi" to a stranger can be difficult at first as I'm shy but they always respond and a conversation ensues. So the first person you see standing there alone. Say Hi and go from there.
Having been an Airstreamer since 2007. I can attest to their off road ability out here in the Mojave. Recently went down in size and weight to a 1960 model.
The older models are narrower and weigh less.
Very rare to find any other make of trailer still out there after 60 years.