There is this guy [1] Dashrath Manjhi spent 20 years digging 110m long tunnel through hills to reduce the travel distance from his village after his wife died.

There is this guy [1] Dashrath Manjhi spent 20 years digging 110m long tunnel through hills to reduce the travel distance from his village after his wife died. Apparently he used only used hammer and chisel [1] https://en.m.wikipedia.org/wiki/Dashrath_Manjhi https://en.m.wikipedia.org/wiki/Dashrath_Manjhi