Links:
[1] http://www.hafen-hamburg.de/category/branchen/h%C3%A4ndler-hersteller/logistik-immobilien
[2] http://www.hafen-hamburg.de/category/cats/terminals-logistik-cargo/lager
[3] http://www.openstreetmap.org/
[4] http://creativecommons.org/licenses/by-sa/2.0/
[5] http://www.hafen-hamburg.de/city/d%C3%BCsseldorf
[6] http://www.prologis.com
[7] http://www.hafen-hamburg.de/