The world's largest and China's first large trailing suction hopper dredger with a dual-fuel power system, the "Xinhaixun," is launched in Nantong, East China's Jiangsu Province on December 24, 2023. The vessel, invested in by China Communications Construction Co Shanghai Waterway Bureau and constructed by Shanghai Zhenhua Heavy Industries Co, has a capacity of 15,000 cubic meters. Photo: VCG