Group 1 - Shanxi province has experienced a significant drop in temperature, with Taiyuan's maximum temperature falling to 7°C, a decrease of approximately 10°C compared to the previous week [1] - In response to the cold weather, Taiyuan has initiated heating services 13 days earlier than planned, utilizing a smart heating system to dynamically adjust heating parameters [1] Group 2 - In Inner Mongolia's Chen Barag Banner, coal supply distribution has commenced to ensure residents have access to heating as temperatures drop [2] - Residents are actively participating in the coal distribution process, with one individual mentioning plans to purchase 5 tons of coal at a favorable price of approximately 329 yuan per ton [4] - The local government has coordinated the supply of 78,000 tons of affordable coal to cover over 14,000 households, with the distribution set to continue until December 30 [6]