Travel is simultaneously the most solitary and most social activity. So, you’re embarking on a trip alone. You may be going someplace new, for yourself. Or, you may be meeting people later on. Perhaps you’re visiting a friend. But at first you’ll sit in that plane, train, car, or bus, and if surrounded by people—strangers. And then you’ll make your solitary way. You’ll walk the streets, parks, wander, sightsee, pass the time. Visit museums, take photos, visit shops. During these long moments you’ll become accustomed to the silence around your mind, and it’s perfectly fine. But of course you’re not always alone. Sometimes you visit, meet up with others, catch up with old friends. A whirlwind of histories intertwined, instant and comforting reconnections, laughing at tragicomedies past. Or,…