From Istanbul to New Delhi to Boulder, Colorado, through Venice, Paris, Rome, and points between. As travellers, we are always walking backwards, forever on the verge of stepping into the unknown, never knowing what waits around the next corner. You could be lost, forget your passport, fall ill. You could be served a bowl of food and not know whether it's animal, vegetable, or mineral. Even flushing the toilet can be an adventure. You are a child...