An excavator is seen at the damaged Yun Men Tusi Ti building in Hualien, southeast China's Taiwan, Feb. 8, 2018. Four tourists from the mainland had been confirmed dead as of Thursday morning after a magnitude-6.5 earthquake hit Taiwan's Hualien County. Rescuers said five other mainland tourists are still trapped in the damaged Yun Men Tusi Ti building, including four adults and one child. (Xinhua/Yue Yuewei)