This infrastructure, together with wind farms, harbours, etc. At the same time, the Sound is one of the most trafficked places in the world oceans. Thus, the Sound is a hotspot of almost all kinds of human activities: Commercial, household and sports fisheries, as well as navigation, yachting, bathing, diving, sand and gravel extraction, windfarming, sewage discharge, urban and coastal development, land transport, aviation, recreational activities on land, large scale tourism and even agriculture, industry and forestry.