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The "fourth generation residence" is coming? Recently, official website, Beijing Municipal Planning and Natural Resources Committee, issued "Guidelines for the Design of High-quality Commercial Residential Buildings in Beijing (Trial)", which proposed for the first time to encourage the setting of overhead floors on the first floor of residential buildings to create a shared green public space with indoor and outdoor integration; Encourage the establishment of open wind and rain corridors in the community; Encourage the setting of open balconies in multi-storey houses. For the first time, the Guideline proposes to encourage the setting of overhead floors with transparent sight and open space on the ground floor of residential buildings, which can be used as public activities and communication spaces for residents, and the overhead area can not be included in the floor area ratio.The STOXX 600 index in Europe fell by 0.5% to 518.58 points.Boeing 737 resumed production and its delivery hit a four-year low. Boeing said that it delivered 13 commercial aircraft in November, a four-year low, and all the delivered aircraft came from inventory. After a 53-day strike, Boeing's 737 aircraft production line in Renton, south of Seattle, Washington, USA, fully resumed production.

United Nations report: Three quarters of the earth's land is gradually dry due to climate change. The 16th Conference of the Parties to the United Nations Convention to Combat Desertification (COP 16) was held in Riyadh, Saudi Arabia, from December 2 to 13. On the 9th, the United Nations released a report during the meeting, saying that about three-quarters of the world's land has gradually become dry due to climate change. The report found that in the 30 years before 2020, about 77.6% of the world's land became drier than before. At present, except Antarctica, the dry land area accounts for about 40% of the global land area. Between 1990 and 2020 alone, the global dry land area increased by 4.3 million square kilometers.Bitcoin fell below $95,000/piece, down 2.50% in the day.Siemens Medical AG: Siemens Medical acquired Advanced Accelerator Applied Molecular Imaging Company.

For the second week in a row, the US Treasury cut the auction scale of 4-cycle and 8-cycle Treasury bills, and the US Treasury cut the bidding scale of benchmark Treasury bills with the shortest term on Tuesday. The U.S. Treasury Department said it plans to issue 80 billion U.S. dollars of 4-term Treasury bonds on Thursday, which is 5 billion dollars less than the previous issuance of treasury bonds of the same maturity. The Ministry also announced that it would issue $75 billion of eight-term Treasury bills on Thursday, which was also reduced by $5 billion. The auction scale of 17-period Treasury bonds to be issued on Wednesday remains unchanged at $64 billion.The Seoul court approved the arrest of former defense minister Jin Longxian, and the Seoul Central District Court approved the arrest of former defense minister Jin Longxian, the leader of President Yin Xiyue's emergency martial law. The judge thinks that Jinlong is at risk of destroying evidence.Market news: Tesla (TSLA.O) is negotiating with DLF, India's largest real estate developer, about the exhibition hall space.