Aerial view across the River Humber in the UK showing a marker buoy in the foreground and the iconic Humber Bridge in the background

river river humber estuary strong currents bridge suspension bridge brown blue sky towers marker buoy mud flats murky banks river bank water wide sand sandy walkway footpath green trees bushes waves ripples deep water tidal roads crossing crossing point uk lincolnshire shipping transporting goods trading route east coast coastal bank landscape aerial view drone drone footage iconic iconic bridge high