And the holes drilled in these gemstones – which included garnet and carnelian – showed clear evidence of diamond-based ...

The Audi logo is one of the most recognisable badges in the world, but not many people know the true meaning behind the four ...

The Audi logo is recognised worldwide, but not many people know what the four rings actually mean - and it's safe to say many ...

The Audi brand has been in our lives for over 100 years, but some people don't know what the logo means. It actually carries ...