(Bloomberg) -- A few hours drive east of Riga through a snow-carpeted landscape of forest, fields and frozen lakes, motorists are told in Latvian and English that they’re entering “Borderland.” Cars are forbidden from stopping and photographs are not allowed. Watch towers look out across a belt of birch and pine trees that mark the frontier with Russia.Most Read from BloombergKing Charles Treated for Cancer in New Royal Health ScareWhy NYC Apartment Buildings Are on Sale Now for 50% OffXi to Dis