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:
LevelCrossingPRC. Level crossings in the PRC DF image Transferred from org en to Commons by User Jayg using de php CommonsHelper DF at org en DF Original upload log page en LevelCrossingPRC DF bytes Level crossings in the PRC DF image Check categories August en Levelcrossing en ChinaNationalHighway Level