LABIRINTI E CASEMATTE
CLASSICAL AND FISCHERANDOM CHESS (CHESS960)
Sunday, December 16, 2018
Intelligent Life in the Universe
Cosmonauts of
Roscosmos
Oleg Dmitriyevich Kononenko
and
Sergei Valeriyevich Prokopyev
go for a spacewalk. Photo:
ESA/Alexander Gerst
.
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