Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Engineers working inside a large steel pipe of a tunnel foundation.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Workers inside a big steel pipe building a pipeline for oil, gas, and fuel at an industrial site.
Worker constructing a pipeline for transporting oil, gas, and fuel at an industrial facility.
Worker constructing a pipeline for transporting oil, gas, and fuel at an industrial facility.
