NEW YORK, BUENOS AIRES, MILAN, HONG KONG, SHANGHAI, TOKYO, SYDNEY – Among the world’s greatest and most exciting cities, they all have one thing in common – their climate! Defined by hot summers, cool winters and plenty of rain, the Humid Subtropical climate is home to more world cities than any other. Join me as I explore the regions of our planet that experience this climate, the dynamics behind it, and why the great cities that developed within it came to dominate the globe.