Yorkstone

Yorkstone is a special kind of rock that comes from a place called Yorkshire in England. It's a really tough and strong rock that's perfect for building things like houses, bridges, and even roads.

Yorkstone is special because it has a really unique texture and color. It's kind of like a mix between brown and grey, and it looks really cool when it's all put together.

People have been using Yorkstone for hundreds of years because it's so special and strong. It's still really popular today because it lasts a really long time and it looks really nice.

So, if you see a really cool building or walkway made of this special rock, it's probably Yorkstone!