Hoover Dam construction view

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Dam in a rocky canyon

1024 × 816

Aerial view of a large dam

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Bridge construction over a canyon

2500 × 2000

Bridge construction over canyon

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Shipyard construction scene

914 × 1200

Men climbing rocky canyon

1931 × 2584

Hoover Dam construction site

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Nighttime view of a dam

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Construction of a large dam

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Dam construction site

1200 × 952

Large dam under construction

1920 × 1080

Large dam under construction

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Dam in a deep canyon

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Hoover Dam and Lake Mead

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Bridge under construction in canyon

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Bridge under construction over canyon

2500 × 2000

Brooklyn Bridge construction

1920 × 1080

Bridge under construction

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Eiffel Tower construction sequence

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