This ABBA photo contains
chuck wagon, covered wagon, conestoga wagon, conestoga, prairie wagon, and prairie schooner.
There might also be
tepee, tipi, teepee, wind turbine, horse wrangler, and wrangler.
Including the missing verse! :) -
"Standing up is scary if you think you're gonna fall/Like a Humpty Dumpty 'fraid of falling off the wall/I say if you ever wanna know what's going on
Gotta keep on rockin, baby, till the night is gone"