Seoul, the capital of South Korea, is full of tall buildings. As seen in the picture, the air is not clear in usual days due to smog.

Seoul is operating 24/7 like New York City.

Cheonggyecheon is a 5.2 mile-long, modern public recreation space in downtown Seoul. This massive urban renewal project is on the site of a stream that flowed before until the rapid post-war economic development required it to be covered by transportation infrastructure. The $900 million project initially attracted much public criticism but, after opening in 2005, has become popular among city residents and tourists (Source: Wikipedia).

This is a 5.1 mile bridge-tunnel fixed link that connects Busan (the second largest in South Korea) to Geoje Island. The tunnel (as a part of this link) is the world’s deepest immersed roadway tunnel (157 ft below mean water level) and the world’s second-longest concrete immersed tunnel (2 miles). Thanks to this bridge, opened in 2010, the travelling distance between Geoje Island and Busan is shortened by about 37 miles (Source: Wikipedia).

As a small country (75% of North Carolina's land) with more than 50 million populations, South Korea heavily relies on exportation. As a peninsula, South Korea can export diverse items through ports such as Busan (the second largest city) and Incheon (the fifth largest city) that operate 24/7.

Shipbuilding industry in South Korea is strong and becomes the foundation of nation's economy. South Korea has ranked number one in the world for several years in terms of shipbuilding orders received.

Smart phones are one of major electronic devices that South Korea has been dominant in the global market.

South Korea (e.g., Samsung, LG) leads global markets in television industries.

South Korea (e.g., Hyundai, Kia) manufactured about 5 million cars in 2011, ranked 5th in the world in terms of manufactured number of cars. Most cars are exported to other countries.

South Korea has been involved in major construction projects in other countries such as countries in Middle East, Asia, Africa, Latin America, and Europe. This picture is a part of the construction project in Libya, the Great Manmade River. It is a network of pipes that supplies water to the Sahara Desert in Libya, from the Nubian Sandstone Aquifer System fossil aquifer. It is the world's largest irrigation project. Korean company finished first two stages (out of four) of this project.

South Korean companies (e.g., Samsung, Hynix) have been dominant in the memory chip market, possessing more than 50% of global market shares.

South Korea, manufactured about 60 million ton in 2011, and became the 6th steel making country in the world in terms of manufactured amount. POSCO is a multinational steel-making company headquartered in Pohang, South Korea. It had an output of 35.4 million tons of crude steel in 2010, making it the world's fifth-largest steelmaker by this measure (Source: Wikipedia).