http://www.sme.sk/c/6852311/v-irane-zatkli-slovakov-ako-udajnych-spionov.html

http://ca.news.yahoo.com/iran-detains-slovak-hang-glider-group-slovak-media-164825434.html

Misidentified as hang gliders.

A group of five or six Slovak hang-glider enthusiasts has been
detained in Iran on suspicion of espionage, the Slovak news website www.sme.sk
said on Friday.

Thanks to Tim Fleming