(260114) -- BAOTOU, Jan. 14, 2026 (Xinhua) -- An aerial drone photo taken on Dec. 8, 2025 shows the 35,000-tonne heavy-haul group train during an inaugural trial along the Baotou-Shenmu Railway in north China's Inner Mongolia Autonomous Region. TO GO WITH "China Focus: Record-breaking smart train convoy transforms heavy freight transport" (CHN ENERGY Baoshen Railway Co., Ltd./Handout via Xinhua)