In this photo taken June 6, 2011, Przewalski horses are seen in the acclimatization station located in the small village of Dolni Dobrejov, some 100 kilometers (about 60 miles) south of Prague, Czech ... more 
In this photo taken June 6, 2011, Przewalski horses are seen in the acclimatization station located in the small village of Dolni Dobrejov, some 100 kilometers (about 60 miles) south of Prague, Czech Republic. An army transport plane took off from a military airport in the Czech capital Tuesday, June 14, 2011 to take four rare wild horses to Mongolia as part of Prague Zoo efforts to reintroduce the endangered species of the Przewalski horse in its native habitat. (AP Photo/Petr David Josek) less 
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Associated Press | Photo By Petr David Josek
Tue, Jun 14, 2011 10:52 AM EDT