I watched a very tall building near me get build. The pounded in 20m piles into the bedrock with a gigantic hammer, for 12 hours a day for many days. It was ama

I watched a very tall building near me get build. The pounded in 20m piles into the bedrock with a gigantic hammer, for 12 hours a day for many days. It was amazing to see those massive lengths go deep into the earth, and also it was amazing how rythmic pounding for days will drive you insane.