"The Polish Air Force in Britain, 1940-1947" Flight Lieutenant Zbigniew Duńczewski and Flying Officer Z. Wittersz (?) of No. 304 Polish Bomber Squadron enjoying a stroll around Piccadilly Circus while on leave, 1942. Behind them, illuminated advertisements advertise Bovril and Schweppes tonic water, and a clock features the words 'Guinness Time' and 'Guinness is good for you'. Vehicles also make their way around the 'circus' behind the two men.