[China is rapidly becoming a major urban rail transit country] China's urban rail transit system expanded at an unprecedented rate last year. A total of 62 new operating lines (sections) were added to 35 cities. These projects brought the length of urban rail transit operating lines in mainland China to over 9,192 kilometers, a year-on-year increase of about 15%. , accounting for about a quarter of the total length of the world's urban rail lines.Editor/XuNing

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• 2025.12.05 15:42
• [Serbia's largest 300 MW wind farm confirms grid connection provider]
• Recently, Serbia's largest wind power project under construction, the Vetrozelena wind farm with an installed capacity of 300 megawatts, has made significant progress. The company under the Bosnia and Herzegovina Elnos Group has successfully won the bid and will serve as the general contractor responsible for the construction of all power grid connection projects for the project. This marks the official entry of this flagship new energy project in the Balkans, which is controlled and invested by China Power Construction Group, into the grid connection sprint stage. According to the contract, the Elnos Group will undertake the construction of a complete grid connected system, including a 35/400 kV substation, a 400 kV switch station, and a 7.5-kilometer transmission line, to ensure that the clean electricity generated by the 48 wind turbines in the future can be smoothly input into the national power grid. The project is controlled 51% by China Power Construction Overseas Investment Corporation and has signed a power purchase agreement with Serbia Electric Power Company in November 2025, laying the market foundation for electricity consumption after completion. The promotion of this project is another typical case of cooperation between Chinese investment and local engineering forces in Europe to jointly promote regional energy transformation. Editor/Yang Beihua

• 2025.12.05 10:39
• [Continuous heavy rainfall has caused significant casualties]
• In recent days, several provinces on Sumatra Island, Indonesia, have been shrouded in continuous rainstorm and subsequent disasters. On the afternoon of December 4th local time, the latest data released by Indonesia's National Disaster Relief Agency revealed the severity of the disaster: the number of deaths caused by floods and landslides has risen to 817, and another 537 people are missing, posing severe challenges to search and rescue and disaster relief work. This disaster is mainly concentrated in the provinces of Aceh, North Sumatra, and West Sumatra on the island of Sumatra. The continuous heavy rainfall has triggered large-scale floods and landslides, destroying a large number of houses, roads, and bridges, causing communication interruptions, and many areas becoming isolated islands. As of December 4th, the officially confirmed number of victims has reached 817, and the missing figure of 537 means that the scale of casualties may further expand, and the people in the disaster area are suffering huge pain and losses. After the disaster, the Indonesian National Disaster Relief Agency, military, police, and volunteer organizations quickly mobilized and fully engaged in rescue efforts. However, adverse weather conditions, disrupted transportation routes, and complex geographical environments have brought great difficulties to search and rescue work. Rescue workers are racing against time, searching for survivors in the mud and floods, and delivering emergency supplies such as food, drinking water, medicine, and temporary shelters to the trapped people. The international community has also begun to pay attention to and provide assistance. Indonesia is located in the Pacific Rim volcanic and seismic zone, with frequent geological activity. In addition, the rainy season is characterized by concentrated rainfall, and floods and landslides are common natural disasters in the country. The severe disaster on Sumatra Island once again highlights the urgency of strengthening disaster warning systems, infrastructure construction, and community disaster prevention and mitigation capabilities. How to enhance long-term climate change adaptation and disaster risk management capabilities while addressing the current crisis will become a topic that Indonesia and the entire region need to deeply consider. Editor/Yang Beihua