Architonic was delighted to join a line-up of big-name speakers at this year's Belgrade Design Week, the design conference and festival that marries top-notch thinking with big-hearted hospitality. Among those taking to the stage to present their creative vision of the future were Zaha Hadid Architects, Snøhetta, Stefan Diez and Arik Levy. We caught up with them after their talks to probe a little deeper.