Ajanta Caves India – dating from the 600–1000 CE period. It was estimated that 60 tonnes of rock were being removed every day during temple’s construction phase. And the temple workers laboured for 12 hours a day hauling at least 5 tonnes of rock out from the mountain per hour
![General Motors Technical Center, Warren MI, by Eero Saarinen (1955) [750x502]](https://i.redd.it/zhgcd1dcji361.jpg)
