URL：https://get.pxhere.com/photo/work-cloud-architecture-sky-technology-sunlight-wind-building-tool-wire-construction-high-vehicle-mast-metal-machine-blue-craft-electricity-yellow-shell-energy-raise-clouds-assembly-build-crane-site-boom-strive-baukran-house-construction-commercial-vehicle-working-machine-construction-work-load-crane-crane-boom-construction-machine-load-lifter-heavy-duty-hydraulic-role-new-building-meteorological-phenomenon-atmosphere-of-earth-overhead-power-line-478560.jpg
掲載元：https://pxhere.com/ja/photo/478560
