Now that summer is here and the city is filling up with visitors from around the world – over 50 million a year – I thought it would be a good idea to post this excerpt from Markets of New York City, boiling down the Do’s and Don’t’s of walking along sidewalks and through the markets. New York is a “grand experiment” where 8.2 million people live together in the most densely populated city in the US. This city has been around since 1625, so we must be doing something right. D