Some just do it, sans Java Enterprise code exposure.
Cope's expeditions include riding a recumbent bicycle 10,000 km across Russia to Beijing (2000) with fellow Australian Chris Hatherly;
rowing a boat down the Yenisei River in Siberia to the Arctic Ocean in 2001 with adventurers Ben Kozel, Colin Angus and Remy Quinter;
and riding on horseback from Mongolia to Hungary which spanned over three years (2004–2007) and 10,000 km;
He has also traveled into North Korea, among other places.
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https://en.wikipedia.org/wiki/Tim_Cope~ https://alastairhumphreys.com/blog/tim-cope/