(GE image)
I Googled it, but came up empty. Sure looks like a reactor vessel to me, however. Looks like they intend to do their reprocessing underground by the facililty to the north east and the exstensive ttrenching to the plant's immediate east
Under Construction, Info Requested, Power - Nuclear
By: Pdunn
http://en.wikipedia.org/wiki/Kumho_(South_Hamgyong)
http://wikimapia.org/1475289/Soho-Ri-Nuclear-Facility