reach既可以做不及物动词也可以做及物动词，你的这个句子中reach是及物动词。what used to be a village是名词性从句作宾语。what used to be a village相当于the place that used to be a village.又如：

Do you still remember what the teacher said in class? 你还记得老师在课堂上说的话吗？

= Do you still remember the words that the teacher said in class?