People visit a rescue boat at the dock during the 18th annual Maritime Festival in Richmond, British Columbia, Canada, on Aug. 21, 2021. The 18th annual Richmond Maritime Festival, which runs from Aug. 21 to Aug. 22, showcases the cultural and maritime heritage with historical artefacts, maritime exhibits and performances. (Photo by Liang Sen/Xinhua)

People visit vintage ships at the dock during the 18th annual Maritime Festival in Richmond, British Columbia, Canada, on Aug. 21, 2021. The 18th annual Richmond Maritime Festival, which runs from Aug. 21 to Aug. 22, showcases the cultural and maritime heritage with historical artefacts, maritime exhibits and performances. (Photo by Liang Sen/Xinhua)

People visit vintage ships at the dock during the 18th annual Maritime Festival in Richmond, British Columbia, Canada, on Aug. 21, 2021. The 18th annual Richmond Maritime Festival, which runs from Aug. 21 to Aug. 22, showcases the cultural and maritime heritage with historical artefacts, maritime exhibits and performances. (Photo by Liang Sen/Xinhua)