Germany, North Rhine-Westphalia, Cologne, pedestrian zone, cobblestones, manhole cover, district heating, district heating pipe

---

Size: 6000px × 4000px
Location:
Photo credit: © Josef Kuchlbauer / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: access, alternative, cast, city, cobblestones, cologne, connection, cover, district, ecofriendly, energy, enviromentally, environmental, europe, friendly, germany, green, heat, heater, heating, hot, icon, inspection, installation, iron, lid, maintenance, management, manhole, manhole-cover, north, pavement, pavingstones, pedestrian, pipe, power, protection, rhine-westphalia, shaft, street, supplier, supply, symbol, town, underground, warmth, water, zone