tags. We'll preserve the structure. The headings are "Panama's water problem" and "A narrow passage under pressure" and "The cost of moving goods". We need to translate those headings.
First h2: "Panama's water problem" -> "파나마의 물 문제"
Second h2: "A narrow passage under pressure" -> "압박을 받는 좁은 통로" or "긴장 속의 좁은 통로" but we can
