Oops got here too late, but I would have called it "Tourists". Looks like futuristic sight-seeing buses at the Grand Canyon. :^)

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy