サウスダウンズ国立公園-フォアダウンロード

Foredown Tower is a former water tower in Portslade, in the city of Brighton and Hove, England, that now contains one of only two operational camera obscuras in southeast England.Built in 1909 as a water tower for Foredown Hospital, an isolation sanatorium for patients with infectious diseases, the structure was left standing when the hospital was demolished in 1988–89.