I think this would be the Great Wall of China!
although it's actually thought to be much, much longer: over 5000 miles long, if yoiu include natural defensive barriers used in it.
It’s c bestie, or the third one down
Halite and sulfur are the two minerals that you can taste and identify. Halite has a salty taste on it and Sulfur has a rotten egg taste. I would rather taste Halite more than Sulfur.
I need more info to help you.
