Oldest cave dwellers

Here's an interesting article from Science Daily.

Experts of the field have found evidence of earliest cave folk in Wonderwerk, South Africa.
Stone tools found at the bottom level of the cave — believed to be 2 million years old — show that human ancestors were in the cave earlier than ever thought before. Geological evidence indicates that these tools were left in the cave and not washed into the site from the outside world.

By the way, that picture is a snap from Google Maps, showing where Wonderwerk is. There does not seem to be much data uploaded for the maps, is there? Or perhaps this is because vast expanses are just the great outdoors?