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(In case you're wondering, the above photo is from June 1 1947, decades before the afternoon described, thanks.) - source
Here's the pool's facade, c. 1931:
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How can it be that you, my king, would die for me? -Therefore I will boast all the more gladly about my weaknesses, so that Christ's power may rest on me. - But by the grace of God I am what I am, and his grace to me was not without effect. - Whatever was to my profit I now consider loss for the sake of Christ.