In a way, museums, parks, restaurants, etc, are clothespins on which to hang the substance of a trip: ambling the streets and sidewalks and buses and subways amongst the people of the world. You sort of parachute into the middle of a bustling sea of unfamiliar routes, buildings, customs, and costumes and -- "Go!" Communing with places and people in this way fills my traveler's heart. Here are some London street scenes.