The purification of water changes with the development of technology.
We should think of new methods to purify water.
This poster belong to
A Planet for tomorrow
Welcome to our 2018 edition!
It will be a year of
significant change for us: the final edition of our poster contest in
its current form. You can find the reasons for this decision here, together with the announcement of this year's them. On a
practical level, the schedule for the poster contest has condensed into
seven months.
Pure Water
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