第一次走进红树林是2000年的春夏之交，当时是武警六支队的人把我和同事们带进了红树林的腹地。
O O O O O B-Thing I-Thing I-Thing O B-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time I-Time O B-Time I-Time O B-Organization I-Organization I-Organization I-Organization I-Organization O B-Person O B-Person O B-Person I-Person I-Person O O O B-Location I-Location I-Location O B-Location I-Location O