The second annual International Architecture and Latin American City festival, MEXTRóPOLI took place from March 6-10, 2015 in Mexico City. Xiaodu LIU was invited to give a keynote speech as part of the event. The speech “Shenzhen New Density” was focused on Urbanus’ practices in Shenzhen within the last fifteen years. The event has more than fifteen years’ experience and transformed into MEXTRóPOLI in 2014, aiming at positioning Mexico City as an important and diverse center for sharing and promoting architectural knowledge.