Updates of my homepage The Ginkgo Pages

* Added recognition by The National Science Digital Library (NSDL) that provides organized access to high quality resources and tools that support innovations in teaching and learning at all levels of science, technology, engineering, and mathematics education.
* New photo photospecial page: Ginkgo bonsai in Biot.
* Added 3 YouTube videos: Kumamoto old tree, Japan; trees in Seoul, S.Korea; art 'yaprak ginkgo'.