I went to visit a local cave that has been setup for tours with the kids a few weeks ago. There is a stalagmite/stalagtite pair that are 1cm away from touching

I went to visit a local cave that has been setup for tours with the kids a few weeks ago. There is a stalagmite/stalagtite pair that are 1cm away from touching and has been that way since the cave was discovered and surveyed in the 1830s, these were 2+ meters each, geological timescales are crazy.