Thanks guys. We've just made contact again. He's now home but had to leave his bike behind in Morocco.
"Every county of England, every country of Europe and every (part of every other inhabited) continent of the Earth" ... 83% complete!
What's left? Moldova, Ukraine, Belarus, Russia, Siberia, Eurasia, Central America, Mongolia, China, Central Asia, India, West, East, Central & Southern Africa, Australia & New Zealand.