Red/Blue Glasses are required to view the images ( red on left,blue on right ).
This tunnel for walker is made of bricks. In order to bare the heavy weight, bricks are laid diagonally, as if the tunnel is twisted. There are 2 potteries plates on the wall of the beginning and the end of the tunnel.
Cross-eyed viewing Parallel Viewing
All Right Reserved.
No reproduction or republication without written permission.