Group 1 - The Brazilian government has completed a key port renovation project in Belém, which will serve as a temporary accommodation facility for the upcoming COP30 conference, capable of hosting up to 5,000 attendees [1][3] - The renovation took only six months from the start date of April 17 to completion, highlighting the rapid progress of the project [1] - The total investment for the port renovation is 233 million Brazilian Reais, approximately 309 million Chinese Yuan, and the facility will be integrated into Belém's cruise tourism system post-COP30 [4] Group 2 - The logistics for COP30 face challenges, with an expected attendance of around 50,000 representatives, while local hotels only offer 18,000 beds, leading to skyrocketing hotel prices [3] - The Brazilian government has implemented measures to alleviate accommodation pressure, including offering free cabins on cruise ships to representatives from African and least developed countries [3] - As of October 31, 149 countries have confirmed accommodation requests, with 37 more still in negotiations, indicating significant international participation [3]