Gas Natural Building

The Gas Natural Building, also known as Mare Nostrum Tower, is an office skyscraper located in the La Barceloneta neighbourhood of the Ciutat Vella district in Barcelona, Spain. It was the headquarters building of the Spanish company Naturgy, formerly known as Gas Natural, until 2019 when the company's legal headquarters were moved to Madrid.
  • Architectural style: High-tech
  • Location: Barcelona, Catalonia, Spain
  • Completed: 2005
  • Owner: Inmobiliaria Colonial
  • Construction started: 2003
  • Height: 86 m (282 ft)
  • Floor count: 20
Data from: en.wikipedia.org