Busan is the largest port city and second-largest city in South Korea. It lies on the southeast tip of the Korean Peninsula. It is important for transport and shipping. It is best known for Busan Port and Haeundae Beach. The port takes many ships and accommodate trades among other countries. In 2012, according to the census, the population was about 3,439,000.

During the Korean War, Busan had an important role because it was one of two cites which were not invaded by North Korea. The city was the capital for a short time.

Busan has hosted the Asian Games in 2002 and APEC summit in 2005. It bid to host the 2018 Winter Olympics and the 2024 Summer Olympics. It is also the home city of the Lotte Giants, a professional baseball team in the Korea Baseball Organization league.
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Would youi check this passage? I think there seems to be some words corrected.

Busan is the largest port city and second-largest city in South Korea. It lies on the southeast tip of the Korean Peninsula and is important for transport and shipping. It is best known for Busan Port and Haeundae Beach. The port handles many ships and accommodates trade between Korea and many other countries. In 2012, according to the census, the population was about 3,439,000.

During the Korean War, Busan had an important role because it was one of two cites which were not invaded by North Korea. The city was the capital for a short time.

Busan hosted the Asian Games in 2002 and APEC summit in 2005. It has bid to host the 2018 Winter Olympics and the 2024 Summer Olympics. It is also the home city of the Lotte Giants, a professional baseball team in the Korea Baseball Organization league.

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I changed a few things in the first paragraph, none in the second, and only one (verb tense) in the third. Nice!

Certainly! I will check the passage for you. Here is the corrected version of the passage:

Busan is the largest port city and the second-largest city in South Korea. It lies on the southeast tip of the Korean Peninsula and is important for transportation and shipping. Busan is best known for Busan Port, which accommodates trade with other countries, and Haeundae Beach.

During the Korean War, Busan played an important role as it was one of the two cities that were not invaded by North Korea. The city even served as the capital for a brief period.

Busan has hosted the Asian Games in 2002 and the APEC summit in 2005. The city also made bids to host the 2018 Winter Olympics and the 2024 Summer Olympics. Additionally, Busan is the home city of the Lotte Giants, a professional baseball team in the Korea Baseball Organization league.

According to the 2012 census, Busan had a population of approximately 3,439,000.