The North Korean monolith known as the "Hotel of Doom" is set to open in 2013, a whopping 26 years after construction began.
Speaking at a forum in Seoul, South Korea, Reto Wittwer added that shops, restaurants and offices would eventually open on the lower levels.
Interior images taken inside the country's tallest and most ironically iconic building were published by a tour agency earlier this year.
Following a lack of funds after the collapse of the Soviet Union, it ibecame symbolic for all the wrong reasons.
The planned seven revolving restaurants have never moved and nor has anyone admired the sights of Pyongyang from its enormous viewing platform.
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Today, the 105-storey, pyramid shaped building boasts a shiny, modern exterior, masking the bare concrete interior.
But it has been variously dubbed by locals as “The Hotel of Doom” or “The Phantom Hotel” and in 2008 it was labelled by Esquire magazine as “the worst building in the history of mankind”.
According to The Telegraph, the hotel, once intended as a grandiose monument to the country, went from being emblazoned across North Korean stamps, to being airbrushed out of official shots.