Who designed “the most famous restaurant in North Korea"?

Kim Jong-Il Gets Into Restaurant Design - UnBeige

…the next time you’re vacationing in North Korea, perhaps enjoying a stay in the never-going-to-be-finished Ryugyong Hotel, you might want to think about swinging over to the Jade Stream Pavilion, “the most famous restaurant in North Korea.” TheTelegraph reports that the restaurant has just finished construction on a new 60,000 ft. addition, with its design overseen by Kim Jong-Il himself.