“…The need for contextual understanding of cities arises from specific urban diagnostics research, 'city observatory' activities and analysis of big data (noting that, like materials, data quality degrades with time, only more rapidly), from which assessment methods extract the critical influencing factors (Leach et al, 2016(Leach et al, , 2017a(Leach et al, , 2017b. Crucially, a civil engineer must work seamlessly across disciplinary silos to embrace social, environmental, political and cultural perspectives, with an appreciation of their languages and methods of working.…”