RG Poulussen - Highball, Barnes Wallis' spherical non-operational bouncing bomb. Sister of Upkeep, the Dambuster bomb. (Note the shadow of the Mosquito in the first water fountain.) #WW2 #HISTORY - Coub

RG Poulussen - Highball, Barnes Wallis' spherical non-operational bouncing bomb. Sister of Upkeep, the Dambuster bomb. (Note the shadow of the Mosquito in the first water fountain.) #WW2 #HISTORY

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