Such projects by their very nature are disruptive, affecting some groups of people negatively; as a sociologist who was involved close-up, he helped to find paths to reconciliation among the stakeholders. The project has also attracted some of his CU students as there are many issues and aspects for potential study. Petr Witz and colleagues are also greatly interested in legitimacy behind such projects – how it is earned, maintained and can help and how it is needed.