For years, Noor Ramazan and a small, tight-knit community of several dozen tour guides and drivers in Afghanistan have introduced travelers during peacetime to the natural and historic wonders of a country better known for decades of war and upheaval.  “We just wanted people to understand that there are positive aspects to the country,” says Ramazan. In better times, Afghanistan has offered visitors striking natural beauty and an array of experiences from the snow-capped Pamir and Hindu Kush mountains to dazzling Islamic architecture, historical monuments, and food, textiles, crafts, and hospitality at the intersection of Pashtun, Persian, Hazara, and Turkic cultures.  But after the cataclysmic events of mid-August—the violent takeover…