Cardassians and Bajorans don't seem like likely candidates for being the same species, but all the evidence seems to point to that conclusion.
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CREDITS:
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Josh Nesmith
Håkon Nilsen
TK2 Films
James McKay
Joseph Jonathan Marcus
Daniel Day
Nonstop Pop!
Dominick LaLicata
Sam Williamson
Music: Kevin MacLeod, Incompetech.com