pixabay and 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.
This image was acquired from
Keywords from Image Description:
Arc. arc ricobayo pont Arc Arc JUAN MANUEL BENITO HERRERO Arc Arc INeverCry Ricobayo Dam Arch Bridge Taken with Kodak EasyShare Images from
Page 2017 Free-images.com. All images are Public Domain