On 20 July 2015, it's marine day (Umi no hi in Japanese) which is one of Japan national public holidays. It's on the third Monday of July since 1996 for hoping the prosperity of marine nation of
Japan as the country is surrounded by the sea.
皆様、今日は海の日ですね。多摩に海はないので、東京湾の画像で・・・。山はありますので、来年開始予定の山の日には、多摩の山の画像を載せたいと思います！