The national trees (link and printscreen) - Deadline December 12

Tomáš Lipenský jobs tree (pic)

Tomáš Lipenský jobs tree (code)

Link

Banu ŞENOĞLUGİL JOBS TREE LINK

Link

Banu ŞENOĞLUGİL JOBS TREE

PL jobs tree

PL jobs tree

Link

Genealogical tree Spain

Albert_G

Diagram of IT jobs in html