Last day in NYC

A lovely walk in Central Park and up to Columbia for a last goodbye with Luca. It has been a great trip! Really nice blend of time to wander and enjoy the many surprises that NYC offers up, time with Luca (who indeed was generous with his time) and time for work, which was also pleasant. Great people to work with.

Off to the airport (too much traffic), security (where they confiscated my almond butter (!), highlighting the absurdity of the world we have created) and then the flight ...