Why downvote the comment above? It was factual and accurate. The temperatures in the cave 50 Celcius with a humidity of 90%. You can breath the air - for a while. You die of hyperthermia, not toxicity.
There Are Caves In Mexico With Crystals As Big As Trees, But You Can’t Explore The Caves For Too Long Due To Heat And The Toxic Atmosphere. But I Mean Look At Those Things
Why downvote the comment above? It was factual and accurate. The temperatures in the cave 50 Celcius with a humidity of 90%. You can breath the air - for a while. You die of hyperthermia, not toxicity.
Likewise, #28, the big sunflowers are not uncommon; they're just not popular, so they're not cultivated often.
Cool article.