1Ribs are pre-assembled on the ground

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2Two halves of each rib are lifted at the same time and joined at the apex

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3Additional ribs are added at each front

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4and stitched to the prior ones

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5When the central section is complete, the end domes are stick-built

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6Then cladding is applied

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7Starting near the center and continuing towards the edges

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8Complete dome.

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