Koreans excel in cost-efficient construction projects. Korean companies are often considered for best bang-for-buck value when developing countries are interested in big infrastructure projects nowadays.

https://en.wikipedia.org/wiki/1915_%C3%87anakkale_Bridge

https://en.wikipedia.org/wiki/Burj_Khalifa

https://en.wikipedia.org/wiki/Bataan%E2%80%93Cavite_Interlin...