Collapsed structure

20170703_110734-moho-mountain.jpg An old water or chemical tank hides in a cave at one of the Moho Mine sites Thumbnails Another collapsed structure An old water or chemical tank hides in a cave at one of the Moho Mine sites Thumbnails Another collapsed structure An old water or chemical tank hides in a cave at one of the Moho Mine sites Thumbnails Another collapsed structure An old water or chemical tank hides in a cave at one of the Moho Mine sites Thumbnails Another collapsed structure An old water or chemical tank hides in a cave at one of the Moho Mine sites Thumbnails Another collapsed structure