An aerial view of Walensee shows a small marina and residential houses with the majestic green Swiss Alps in the background on a sunny day

swiss alps walensee aerial view marina houses residential green sunny scenery landscape nature tourism travel vacation drone footage lake mountains switzerland beauty panoramic outdoors summer water environment high angle idyllic leisure relaxation sightseeing top view tranquility vacation destination adventure alpine blue sky clear water exploration flying holiday recreation sailing tourism industry village aerial shot boating calm countryside picturesque walenstadt