Urban Infra Revolution online eng

― Greenreality

In Urban Infra Revolution project new concrete like construction material without cement was created using side streams of forest and mining industry. As a piloting product noise barrier was built in the City of Lappeenranta.

I insamlingen Energiakriisi 2022-2023

Ursprungskälla: https://www.youtube.com/watch?v=va-eJfdtzxQ

Sidans beskrivning är från den ursprungliga källan (YouTube).