That's because there are colored rocks.

You're something miss Hufu.
If you have question just ask.

While this isn't part of tour I can spin it with our next subject.

These stones believe it or not are al part of the same colored rock.
Often used as lucky charms by the elves that walked the whole world.

Each of these rocks have stayed about 10.000 years in one of the ten.
Continents each took a different color natural.