Two men posing as gardeners turned a Greek Orthodox nunnery near Thessaloniki into a marijuana farm with more than 30 large cannabis plants, Reuters reported.

The men approached the two elderly nuns at the nunnery in Filiro, telling them they would like to help them with the garden, Reuters reported the police as saying.

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The nuns, who reportedly thought they were large decorative plants, were not arrested, Reuters said.

Police are searching for the suspects.