Question: What district is the building that surpassed the Guangdong International Building as the largest building in Guangzhou located in?

Related documents: [0]  [DOC] China International Trust and Investment (CITIC) Plaza () is an 80-storey, 391 m office skyscraper in the Tianhe District of Guangzhou, Guangdong, People's Republic of China. Its structural height includes two antenna-like spires on the top. Completed in 1997, it was the tallest concrete building in the world until the completion of the Trump Tower Chicago. Currently, it ranks as the eighth tallest building in China, 11th in Asia, and 16th worldwide. [END] 
[1]  [DOC] The Guangdong International Building or Guangdong International Hotel is a 63-storey, 200 m skyscraper in Guangzhou, China. The tower was completed in 1990. It was tallest building in Guangzhou until the completion of CITIC Plaza in 1997. [END]  
Answer: Tianhe District
Tianhe District