In some cases, there's no more existing infrastructure at all, although some structures are holding up and may be worth maintaining. But once water gets into a crack, the ice quickly goes to work and the wall completely falls apart.
We should consider developing green structures in places where no structures are left, but the structures still standing have to be maintained. It may be a question of cost, but something has to be done. Tangible measures must be taken soon. This affects water and biodiversity and has a major impact on citizens who, in some instances, are in dangerous situations. Entire houses are in danger, as Ms. Durocher said.