Group 1 - A residential land in Haidian District, Beijing, was sold for 4.545 billion yuan with a premium rate of 11.95% after 98 rounds of bidding [1] - The land area is approximately 4.06 hectares with a planned construction scale of about 58,000 square meters, acquired by a consortium of Beijing Poly Real Estate and Beijing Construction Engineering [1] - The floor price for the residential land is 78,400 yuan per square meter [1] Group 2 - A sports land in the Beijing urban sub-center was sold for 429 million yuan, with a floor price of 6,200 yuan per square meter [1] - The sports land covers an area of approximately 11.53 hectares with a planned construction scale of about 69,200 square meters [1] - The location of the Haidian land is advantageous due to its proximity to key educational institutions and transportation facilities, which is expected to enhance the living environment and promote work-life balance in the western region [2]