photos library indicates 334gb but no photos
recently i logged off from my iCloud using my MacbookPro Mid 2012 then i saved the downloaded photos to my external hard drive. i tried to delete all the photos in the Photo Library which was unsuccessful and i ended up shutting down the unit but now it still indicates 334gb on the folder but no photos when i open it. the Trash Bin and Recently deleted folders are both empty. need help please
MacBook Pro 13″, OS X 10.11