Han River.

The Seoul World Cup Stadium (Korean: 서울월드컵경기장), also known as Sangam Stadium, is a stadium used mostly for association football matches. The venue is located in 240, World Cup-ro, Mapo-gu, Seoul, South Korea. It was built for the 2002 FIFA World Cup and opened in November 2001. It is currently the second largest stadium in South Korea after Seoul Olympic Stadium, and is the largest rectangular stadium in Asia.

The Digital Media City Landmark Building (Korean: 디지털 미디어 시티 랜드마크 빌딩) or DMC Landmark Building, also known as Seoul Lite or Light Tower, was a 133-floor, 640 m (2,100 ft) supertall skyscraper proposed for construction in Digital Media City, Seoul, South Korea. It was slated to become the third-tallest building in the world when completed, after Burj Khalifa and Pingan International Finance Centre.

Nanjido (Nan(lily) Ji(mushroom) Do(island)) (Korean: 난지도 蘭芝島) was an island on a branch of the Han River of Seoul, Korea.In the end of the 1970s, a dyke was constructed around the edge of Nanjido, and it became Seoul's official dump site. Between 1978 and 1993, Nanjido's accumulation of garbage grew quickly, increasing to 3,000 truck loads of waste per day and eventually creating a pyramid of refuse 98m high and occupying 2,715,900 square meters of land, thirty-four times larger than The Great Pyramid of Giza in Egypt.