This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Jungfraubahn closeup both pantographs. The Jungfraubahn is energised at using threephase ac system which requires the trains to collect power from twin overhead wires using two pantographs as seen here own assumed Spsmiler Jungfraubahn Pantographs Threephase overhead contact lines
Page 2023 Free-images.com. All images are Public Domain