Daily (except Mondays) from 10 a.m. till 6 p.m. (school classes starting at 9 a.m.)
05.06.2015 / 21 Uhr
05.06.2015 / ore 21
... the today’s species variety is presumably less than 1% of the hole species that lived on our planet and that about every 20 minutes one animal or plant species extinct?
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