Horse Sand Fort on the Solent, Portsmouth, Hampshire, England, United Kingdom, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one travel travel destination travel destinations horse sand fort solent portsmouth hampshire england english uk united kingdom gb great britain british britain europe european building exterior building buildings architecture architectural history historical historic heritage landmark landmarks famous well known well known water sea island isolation isolated fort forts fortified fortification fortress fortresses palmerston fort naval defence