Uploaded on 2014-10-20 by CharlotteBouchet

[1]: https://edxuploads.s3.amazonaws.com/14137880038277268.jpg This a picture of The Hotel Arts in Barcelona, which construction ended in 1994. Main construction material are: - steel: the main structure and the external one - concrete - glass Globalization of construction material. Even if steel, concrete and glass are produced in Spain, we cannot be sure that for Hotel Arts all construction material come from Spain: - today half of world steel production is in Asia. - in 2005 Spain represented only 2% of world production of concrete - in 2017 70% of world glass production is outside Europe