pinoy,
if your in the phils and digging a pit..use extreme caution~!
The pits in the phils where done by Yamashi-ta
1. he used death traps with secret signs so no one could safely dig them up but him or his men
2. do a seach and read all you can before digging anymore,
3. read my threads here on yamashi-ta to lead more
4.at 20 feet you are about to hit hardened concrete which resists most steel drills
5.if you break the concrete, it is a plug...holding back the water table and or a water trap
6.the water trap can me made o clay pipe..from a nearby stream..the pipe is charged with water
7.when you