"Computers are getting smarter all the time. Scientists tell us that soon they will be able to talk to us. And by 'they', I mean 'computers'. I doubt scientists will ever be able to talk to us."
- Dave Barry
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.
