image tag: three-phase, image quantity: 3

2520x3874px

person, human, gang, phase3, phase three, figure, chroma key
2592x1936px

railway, locomotive, three-phase locomotive, sbb, rail, track, gravel
2946x2340px

switzerland, jungfrau railway, descent, eiger west side, gorge, jungfrau region, jungfraujoch