A visitor views a sail boat model during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People view exhibits in Britannia heritage shipyard during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People visit ships during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People learn to make sailing rope knots during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People visit a ship during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People visit tall ships during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)

People views equipments in a ship during the 16th annual Richmond Maritime Festival in Richmond, Canada, July 28, 2019. Richmond Maritime Festival, a seafaring celebration of maritime heritage and history in Canada, featured vessels displays, historic sites visit and performances and attracted thousands of visitors. (Photo by Liang Sen/Xinhua)