After departing Cologne we went through a number of locks overnight. The process caused me to wake each time, not because it noisy, rather it was so quiet. The ship would drop speed and glide into the locks and the motor didn't seem to start up again until the lock had filled and we were going out the other side. Saw this morning just how they work and it seems to me that it is just like filling a really big bathtub: the ship rises with the level of the water, once at the right level, gates are opened and off we go. We will be going through about 50 locks over the next couple of day, the 3 deepest from 19 - 25 metres. For lunch today we were met by guides dressed in traditional
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