By Hervé BOSSY / AFP The Romanian village of Viscri, in the picturesque region of Transylvania, won the heart of the then prince Charles when he first visited in 1998. The Romanian village of Viscri, in the picturesque region of Transylvania, won the heart of the then prince Charles when he first visited in 1998. Enchanted by its dirt streets, horse-drawn carriages and brightly coloured houses nestled in green hills, the environmentalist and nature lover became a regular visitor. In 2006, he even bought his first house there: a bright blue building known to all the locals. What was initially a…