Pyongyang's Yanggakdo Football Stadium appears to be in a state of major refurbishment, satellite imagery published on Wednesday by Google Earth shows, with turf removed and tiles missing from several sections of the roof.The renovation process comes amid a broader trend of updates at other stadiums throughout the capital under Kim Jong Un's leadership, analysis shows.The Yanggakdo Football Stadium, which is home to several Pyongyang football clubs, was first revealed to be undergoing a renovation program in May last year by state media outlet Arirang Maeri.New features to be added include new stadium lights and two large