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Radial-system.png
No higher resolution available.
Description
Radial-system.png
English:
Schematic diagram of radial metro system
Date
16 January 2016
Source
Own work
Author
Pi.1415926535
Permission
(
Reusing this file
)
Public domain
Public domain
false
false
This image of
simple geometry
is
ineligible for
copyright
and therefore in the
public domain
, because it consists entirely of information that is common property and contains no original authorship.
Heptagon