How do you design the right entrance into the city of the future - and Expo?  Imagine that you are walking through an enormous gate made of fine lines of structure. It is as if you are walking through a 3D Mashrabiya… immersed in its light, shade and airflow aesthetics. And as you walk away, the portal transfers you into a courtyard filled with trees.  This is the main entrance to Expo 2020 Dubai. In part one of our three-part series exploring architecture at Expo, we will come closer to the three ethereal entry portals of Expo 2020 Dubai and how they were brought to life.   This podcast is by Expo 2020 Dubai and produced by Kerning Cultures Network.