A copyright free photo of three steel poles (bollards) blocking the entrance of a road. This photo was made in the Netherlands, using the Sony DSC-HX90V Camera (Affiliate Link).
The poles can be retracted into the ground to let public transportation vehicles through. Also ambulances or police vehicles are allowed access.
Feel free to use the photos on the website in any way you like, as they are all contributed to the Creative Commons (CC0) license. Due to this license, there are no pending copyright restrictions on the photo.