隨著河水流過巖石和石塊 漸漸腐蝕了它們
This releases salts trapped inside the rocks
這就釋放出了巖石中的鹽分
which are carried down to the ocean as sediment.
然后被帶到海洋成為沉積物
Once in the ocean, thesalts slowly become more concentrated
一旦進入海洋,鹽就會慢慢集中
by millions of years of evaporation.
經過幾百萬年的蒸發(fā)
But salt was not the only thing left behind by the vanishing Mediterranean.
但是當時消失的地中海 留下的并不只有鹽
If you're prepared to really search,
如果你準備好了尋找一下
you can find leftovers that are far more exciting
會發(fā)現(xiàn)更激動人心的殘留物
than plain old table salt.
比普通的食鹽更好玩
In this cave, there's something so precious
在這個山洞里有件很寶貴的東西
that I am one of the few people who's ever been allowed to see it.
只有包括我在內的幾個人看到過
This is a geode, and these are giant rock crystals,more than a metre long.
這是一個晶洞這些是巨大的白水晶 有一米多長
This is some of the largest crystals I've ever seen.
這是我見過的最大的水晶