Eastman Colour may have faded and climate change may have kicked in, but the heart-teasing backdrops of Jungfrau and Interlaken look just as they did behind the animated limbs of Shammi Kapoor or, in later decades, Shah Rukh Khan. Switzerland, Bollywood&rsquos ambassador Yash Chopra observed astutely, doesn&rsquot wrinkle. His beloved lake in Alpenrausch, the Swiss will have you know with a straight face, answers these days to Lake Chopra. Guided by signs in Hindi on Mount Titlis, you won&rsquot feel foreign at all. Invited to visit Switzerland this summer, I prepared for a surfeit of Bollywood pastiche but a week in Appenzell returned me happily mistaken.