In March 2007 , about 5000 workers were evacuated from the building , after they felt some tremors . They were caused by two earthquakes in Sumatra , Indonesia . Some people complained of headaches and dizziness while others vomited . Most of these complaints originated from those working at the higher floors of the building . Several businesses operating at the building were disrupted after the evacuation
two earthquakes
March 2007 Sumatra earthquakes
Hong Leong Building