One of the most prolific builders of tandem recumbent trikes is in Australia. Tandem trikes aren't unusual. There were two different varieties I saw on PBP. An upright version and a recumbent. Tandem recumbent trikes have been on extended tours around Australia and across America.

It's all right, Expat. It's just me being belligerent. Sorry jock. <shrug>

You want pix, I got pix if vipes doesn't.