To toggle full screen, press the bottom-right button:
Use this page like Google Maps by zooming in and out with your scroll wheel, and moving around the image by clicking the left mouse button and dragging.
The top line shows the great Era or Milestones of bible history. The left-most column shows seven great Themes that run through all of bible history.
(This poster can be downloaded or purchased in any size from 6´x2´ up to 24´x8´! Find out how.)