Why digging on the Korean Peninsula is so difficult

Because it is one of the best granite areas in the world.

Granite formations of insane strength

It’s plastered all over the ground

Because it is so hard, it couldn’t have been more reliable than this when used as a building material in the past.

In modern times, if you want to break through, you can break through.

huge amount of money

Must pour out

The base of Namsan Mountain in Seoul is an impregnable fortress that no subway system can touch.

The reason why the extension of Gwanghwamun was abandoned even when discussing the extension of the Shinbundang Line was

Even with current technology

It costs too much money to drill Namsan Mountain.

The stations and tunnels of Seoul Line 6 are often unusually wide.

Because Line 6 is a subway line that suffered particularly from granite damage.

Since I couldn’t cut the granite, I broke it into a barrel and covered it with concrete.

In particular, the Seongbuk-gu and Jungnang-gu (Bomun Station – Anam Station – Korea University Station) section

A granite stratum that wasn’t there during the geological survey was sticking out, so we had to dig hard and cry.

It is famous as one of the sections of the metropolitan subway that required the most money and time.

(

IMF + Granite Combo

The companies that were working on the project went bankrupt and the contractor changed three times.)

Still, it is thanks to granite that our country can use exceptionally clean water…

Have a drink!