This raises the possibility that Iran may have centrifuges or laboratories we still do n't know about , a risk that seems quite high given that for almost two decades Iran managed to hide work on uranium enrichment that international inspectors found out about only after visiting the site at Natanz in 2003 .
Iran /location/location/contains Natanz
Iran /location/location/contains Natanz
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Iran
LOCATION
Natanz
LOCATION
/location/location/contains
Iran
LOCATION
Natanz
LOCATION
/location/location/contains