"I have always wished that my computer would be as easy to use as my telephone. My wish has come true. I no longer know how to use my telephone."
- Bjarne Stroustrup
A huge wall that the river has carved out from the soft stone over thousands of years. The river used to erode over a meter every year; however, these days it has been reduced to less than 30cm/year and through continued water control and anti-erosion measures it's expected that it can be reduced to about 10cm/year.
