Wall Street Journalのインスタグラム(wsj) - 7月13日 05時02分

More than a million tons of commodities normally pass through a network of 230 locks along 12,000 miles of river that make commercial river traffic possible. But as America’s infrastructure ages and after decades of underinvestment, the country’s waterways face a critical juncture. See our Instagram story for more. ?: @jonnotherattman for @wsjphotos

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