Urban Shallow Stream in Zurich, Switzerland with Driftwood and Rubbish

urban stream shallow stream driftwood rubbish zurich switzerland water nature landscape city travel tourism transportation pollution environmental damage urban waterway polluted water litter in water environmental pollution climate change sustainability recycling waste management clean water conservation nature conservation waterway restoration river cleanup canal cleanup stream cleanup polluted river polluted canal algae bloom dead fish plastic pollution microplastics environmental awareness environmental activism climate action ecofriendly green living waste reduction litter cleanup river clean up canal clean up stream clean up