Controlling the 360 degree virtual tour image

To stop the automatic picture rotation for 5-10 seconds:
Click mouse while pointer is inside image

To modify view side to side and up/down:
Move mouse inside image while holding button down or use the keyboard arrow keys.

To zoom In:
Press the + button on the bottom of the image or use the keyboard <Shift> key.

To zoom Out:
Press the - button on the bottom of the image or use the keyboard <Ctrl> key.

 

Tour Navigation

Next: At The Top

Previous: Going Up 1

End tour and close window

 

As the journey continues, the lock walls continue to "shrink". At this point the water has completely
covered the concrete wall and is climbing fast on the upstream gate.