The Loyds Building would be Richard Rogers if I remember correctly, who, as you said did the Beaubourg with Renzo Piano. Of the two, I must say I prefer the Loyds headquarters, as a building, but find it less well integrated with its surroundings than the Centre Pompidou. It's like something out of "Bladerunner" fell out of the sky and crushed an old bank while threatening to devour the neighbouring ones when it's done digesting.

As regards the arch, I'm conflicted. It does fit the surroundings though.

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