俄方通报“普特会”最新细节，欧乌担心特朗普立场改变，俄美峰会即将在美军基地开启

Group 1 - The upcoming meeting between the Russian and American presidents is focused on resolving the Ukraine crisis, along with discussions on bilateral cooperation in economic and global security matters [2][3] - The meeting will take place in Anchorage, Alaska, starting with a one-on-one discussion followed by a "5-on-5" format with representatives from both sides [2][5] - There is a sense of cautious optimism regarding the summit, as it is seen as a potential opportunity for both leaders to demonstrate diplomatic success [3][4] Group 2 - European leaders expressed anxiety leading up to the summit, attempting to influence President Trump's stance on Ukraine and ensure its interests are prioritized [6][8] - A video conference among European leaders resulted in five key agreements regarding negotiations with Russia, emphasizing Ukraine's direct involvement and the necessity of a ceasefire [4][7] - Analysts suggest that the likelihood of a conditional ceasefire or territorial exchange is low, but some form of "air" or "maritime" ceasefire could be achieved, positively impacting the resolution of the Ukraine conflict [9]