． Kungkuan On the north coast of Green Island, the neighboring sea is greatly affected by the northeast rains. The reef is expansive, and its topography very complex. Between the big coral reef and the shore is a flat area.
位於綠島北岸，鄰近海域受東北季風影響很大，海底礁石林立，地形複雜多變，近岸海底和大礁石之間為平台。