‘?? 3? ??’
???? ???? ???? ? ?? ? ‘?? 3? ??’'? ???.
?? 3? ??? ????? ??(Niagara Falls), ???? ??(Iguassu Falls), ???? ??(Victoria Falls)?.
???? ??? ???? ?????? ??? ??? ‘????? ??’??? ???. ? 270? ?? ??? 2.7km? ?? ?????. ? 4.5km? ?? ??? 70m? ???. ‘??? ???’??? ??? ??? ??.
???? ??? ???? ?? ???? ????? ??? ??? ????? ??. ?? ???? ??? ??? ?? ‘???? ??’ ?? ???.
‘?? 3? ??’? ?? ????? “?? 3? ??, ???? ? ??? ??”, “?? 3? ??, ???? ??? ????”, “?? 3? ??, ????” ?? ??? ???.
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