Workers on a large industrial structure

2000 × 2503

Workers on a suspension bridge

1920 × 1200

Diver and onlookers by a bridge

1881 × 1260

Medieval construction site

2433 × 1578

Bridge over canal

1900 × 2386

Factory workers at a machine shop

3000 × 2376

Child resting on a blanket

1200 × 1027

Men in factory with large machine

3030 × 3870

Two men on a hillside

1778 × 2265

People under a bridge

2147 × 2635

Steel arch bridge over forested canyon

2560 × 1440

Construction of a steel-framed building

2232 × 1690

Workers on steel beam

1478 × 1129

Manhattan Bridge under construction

1920 × 1080

Bridge under construction

2200 × 1546

Construction site with steel framework

2220 × 1675

Industrial Panorama of a Steel Town

1200 × 263

Construction of a skyscraper

2162 × 3359

Workers at a port construction site

1000 × 661

Aerial view of a large dam

2848 × 1797