Day One: Plovdiv to Smolyan  (Including: Bachkovo, Orehovo, Mogilitsa, Gordo Canyon, & Ustovo) From Plovdiv, we settled on a plan to take an exploratory trip south to tackle some of the sights and villages in the gorgeous Rhodope Mountains, which we can now say, is arguably the most fetching and varied of Bulgaria’s four major mountain chains. The day began by…