beiguan tidal park at northeast coast of taiwan (new taipei city and yilan)

bay beiguan binhai blue cape cave cliff climbing coast coastal coastline corrosion cuesta dong dragon eroded formation gongliao guishan horizon island jiaoxi landscape long longdone longdong longdongwan ocean orange outdoor park platform rock sea shore stone taipei taiwan terrain tidal tilting tofu toucheng waiao wave yilan basketball court northeast city national scenic area