ID 41076393 © Rawpixelimages | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
background backgrounds billboard black blackboard blank building built cable cement chalkboard classroom clean commercial concrete construction copy cord domestic education effect electric empty feature gray indoors industrial interior learning office people placard power room school slate space stone structure studio textured wall white