Excavator digs the ground against the background of dark cloudsExcavator digs the ground against the background of dark clouds
The slide rule, pencil and magnifying glass are on the notebookThe slide rule, pencil and magnifying glass are on the notebook
A picture of old books standing on a shelf on a dark backgroundA picture of old books standing on a shelf on a dark background
Statue of christ the saviour in brazil at midnight on the background of a full moonStatue of Christ the Saviour in Brazil at midnight on the background of a full moon