Crane operator Mario Fenzel has to rely blindly on his workmate's commands during remediation work at a hazardous waste incineration plant because his vision is restricted. In Bremen, grain silos of a cornflakes factory are converted into a hotel. There, Thorsten Weitz and Kevin Bünger fire up their special saw. And in Upper Bavaria, renaturation is underway. In Freising, the Moosach is to flow visibly through the town center again. Project manager Herbert Priller and foreman Tobias Kleist are installing a sheet pile wall next to listed houses.