Batguano - The First Mass Produced Fertilizer

When they first found these islands off the coast of peru, which had all this tons and tons of birdshire on that kind of changed the world a little bit. It was the first mass produced fertilizer that wasn't coming, let's say, of humans. Haveyou been to those guano islands? Yer,. and i tricked my wife into going there, cause there was an excursion to swim with sea lions. And i noticed it was on the guano islands that was lik always wanted to swim withsea lions havent you she hadn't. Abu, we went down there, and i kept asking the guy who was in charge about the guano is there still guards here