This isn’t strictly speaking an IQ trainwreck but it highlights how information, even about things which look pretty darned permanent, can age and become inaccurate and poor quality quite quickly.

Again, it is from the pages of The Register… apparently the Chilean’s have lost a lake. Now, car keys I can understand….

However, this echoes stories which I heard about people who relied on SATNAV systems in the aftermath of storms and flooding and drove into rivers because the satnav told them there was a bridge there.

The issue here is Accuracy to Reality… sometimes reality can be a devious thing and go and change on you.