Aerial photo taken on March 3, 2021 shows containers piled up at the Ningbo Zhoushan Port in Ningbo, east China's Zhejiang Province. Both cargo and container throughput of Ningbo Zhoushan Port registered year-on-year growth of 4.7 percent and 4.3 percent respectively in 2020. The port saw its cargo throughput reach 1.172 billion tons while the container throughput achieved 28.72 million twenty-foot equivalent units (TEUs) last year. (Xinhua/Weng Xinyang)