This aerial photo taken on Jan. 18, 2023 shows vehicles waiting for shipment at Yantai Port in Yantai, east China's Shandong Province. The port is seeing busy days ahead of the upcoming Spring Festival as arrays of vehicles waiting for shipment occupy its roll-on/roll-off terminal. (Xinhua/Zhu Zheng)

This aerial photo taken on Jan. 18, 2023 shows vehicles waiting for shipment at Yantai Port in Yantai, east China's Shandong Province. The port is seeing busy days ahead of the upcoming Spring Festival as arrays of vehicles waiting for shipment occupy its roll-on/roll-off terminal. (Xinhua/Zhu Zheng)

This aerial photo taken on Jan. 18, 2023 shows vehicles waiting for shipment at Yantai Port in Yantai, east China's Shandong Province. The port is seeing busy days ahead of the upcoming Spring Festival as arrays of vehicles waiting for shipment occupy its roll-on/roll-off terminal. (Xinhua/Zhu Zheng)

This aerial photo taken on Jan. 18, 2023 shows vehicles waiting for shipment at Yantai Port in Yantai, east China's Shandong Province. The port is seeing busy days ahead of the upcoming Spring Festival as arrays of vehicles waiting for shipment occupy its roll-on/roll-off terminal. (Xinhua/Zhu Zheng)

This aerial photo taken on Jan. 18, 2023 shows vehicles waiting for shipment at Yantai Port in Yantai, east China's Shandong Province. The port is seeing busy days ahead of the upcoming Spring Festival as arrays of vehicles waiting for shipment occupy its roll-on/roll-off terminal. (Xinhua/Zhu Zheng)