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.
Keywords from Image Description:
Metrokaart Rotterdam per augustus .svg Metrokaart Rotterdamse metro per augustus met ingebruikname tunnel MelanchthonwegCentraal Station en opheffing MelanchthonwegHofplein Transferred from org nl Original text eigen werk gemaakt met Inkscape MichaBen at org nl Released into the public domain by the author br Original