Source: China – South China Morning PostThe main cause of mysterious shaking in the SEG Plaza two months ago was a vortex-induced resonance caused by the two long masts on top of the building, say Shenzhen’s official investigators.They said that while the building was safe overall, necessary rectification work – including removing the long antennas and repairing “damage accumulated” over the past two decades – was expected to take over a month, according to an official announcement issued on Thursday morning.The investigators’…Read More