People attend Aquatech Amsterdam in Amsterdam, the Netherlands, on Nov. 7, 2023. Aquatech Amsterdam, one of the world's leading water technology trade fairs, opened here on Monday. (Photo by Sylvia Lederer/Xinhua)
People attend Aquatech Amsterdam in Amsterdam, the Netherlands, on Nov. 7, 2023. Aquatech Amsterdam, one of the world's leading water technology trade fairs, opened here on Monday. (Photo by Sylvia Lederer/Xinhua)
People attend Aquatech Amsterdam in Amsterdam, the Netherlands, on Nov. 7, 2023. Aquatech Amsterdam, one of the world's leading water technology trade fairs, opened here on Monday. (Photo by Sylvia Lederer/Xinhua)
People attend Aquatech Amsterdam in Amsterdam, the Netherlands, on Nov. 7, 2023. Aquatech Amsterdam, one of the world's leading water technology trade fairs, opened here on Monday. (Photo by Sylvia Lederer/Xinhua)
People attend Aquatech Amsterdam in Amsterdam, the Netherlands, on Nov. 7, 2023. Aquatech Amsterdam, one of the world's leading water technology trade fairs, opened here on Monday. (Photo by Sylvia Lederer/Xinhua)
