Built on tar swamps and two tortuous decades in the making, LACMA’s latest addition used twice as much metal as the Eiffel Tower. How did America supersize revered architect Peter Zumthor?

Stretched across a boulevard and shaped like an ‘amoeba’, the divisive Geffen Galleries open next week

Built on tar swamps and two tortuous decades in the making, LACMA’s latest addition used twice as much metal as the Eiffel Tower. How did America supersize revered architect Peter…