Mars is the site of Valles Marineris, one of the largest canyons in the Solar System.
European Maritime Day , celebrated on 20 May each year , seeks to raise European citizens ' awareness of the seas and their importance .. awareness. awareness. Several events take place during that day , including an annual stakeholder conference co-organised by the European Commission .. European Commission. European Commission. In 2012 the conference will be held in Gothenburg .. Gothenburg. Gothenburg. European Maritime Day was established jointly by the European Council , European Parliament and European Commission in 2008 as part of the EU maritime policy .. European Council. European Council. European Parliament. European Parliament. European Commission. European Commission