I take the subway to work -- or the “tube” if you will -- every morning here in Hong Kong. Just like any other robust city, mornings on the subway are quite a sight to see: the endless sea of people walking towards the same direction for work, the funky beat ballad comprised of the heels of shoes, the charcoal wave of suits and ties. To be honest, I quite enjoy this moment of people-watching. With the new H&M store (the first one in Asia) opening in the heart of Central this month, subway-ers are greeted with lined tunnels of Madonna, Madonna and more Madonna.

However, something else other than Madge caught my eye recently. A new campaign by DHL makes use of the movement of the escalator in the station leading up to the concourse: