aerial at chatham, cape cod showing monomoy and nantucket sound

chatham cape cod harwich orleans beach atlantic ocean seals great shark aerial drone massachusetts england strong island bay climate change erosion showing outer high altitude view coast flat gone wildlife south sunfish creek shores summer houses harbor gray sandspit north inlet lighthouse stage center historic guard trail house low tide flats seashore empty cove sound old lifesaving dune lands light national station road natural history wing site outermost shore village fort hill area monomoy nantucket