the point of publication
par mountain h
1. content
1.1. photos from OE studio
1.2. text from OE studio(or some publication)
1.3. photos from daily life
1.4. text from vitamin
1.5. content from ancient books
2. material
2.1. paper with water patten
2.2. other kinds of paper
3. printing technology
3.1. hloe cutting
3.2. page cutting
3.2.1. INS to insert (Windows)
3.2.2. TAB to insert (Mac OS)
3.2.3. ENTER to add siblings
3.2.4. DEL to delete
3.2.5. All key shortcuts