The Trump administration could impose sanctions on Venezuelan oil as soon as this week, according to sources. Venezuela has the largest crude reserves in the world and is a major supplier to US refiners, though output is hovering near 70-year lows.
The Shenzhen Component Index closed 4.80 percent lower at 10,980.77 points.
The Southern Transport Corridor is a transport artery linking China's western provinces with ASEAN countries through the Beibu Gulf in the southern Guangxi Zhuang autonomous region.
The TIA was temporarily closed for incoming and outgoing international flights following the accident.
The Shanxi government has launched a "snow and ice" tourism ceremony in Jinzhong City and released a guide on the tourism products in the province known for its collieries.
The Shanghai Composite Index edged up 0.13 percent to close at 2606.24 points, marking its third straight day of gains. The smaller Shenzhen index closed 1.14 percent higher at 7567.79 points. The ChiNext Index, China's Nasdaq-style board of growth enterprises, rose by 0.84 percent to 1286.33 points.
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The Shanghai Composite Index shed 0.87 percent to finish on Tuesday at 2954.18 and the Shenzhen Component Index dropped 0.57 percent to likewise close at the day's low of 9746.03.
The Sichuan-Tibet highway is facing higher risks of floods and landslides amid the region's rainy season, which lasts from June to August.
The Sikkim sector is the only delimited part of the boundary between the two countries, which was defined in the 1890 Convention Between Great Britain and China Relating to Sikkim and Tibet.
The Shenzhen Component Index increased 2.13 percent, rising to 8,409.18 points.