Nye James from the Nigeria Tunneling Association also joined as we interfaced with students from ETH Zurich who came up with some excellent project proportions to attain netzero at the Hagerbach test gallery. As part of the panel moderated by Han Admiral and Antonia Cornaro, with Elibeth Reynolds, Laurent Vullient. Strategies to enable cities THINKDEEP about sustainable development and what innovative approaches exist to stimulate thinking and policies in the right direction were discussed.