concerned are you about the stability of the sister tower right nearby, built almost exactly at the same time by the same construction company? and a lot of authorities are now recommending that building should be completely evacuated out of an abundance of caution. >> i'm sorry, can you repeat that? >> how concerned are you about the sister tower that was built right around the same time, by the same builders, and the recommendation now by some authorities that out of an abundance of caution, that sister tower should be evacuated? >> well, i mean, evacuation, it would be a major decision to be made. but i could see at least temporarily having evacuation so that an examination of the building structure, looking at the same kind of details, the same kind of spalling, to see if it was present in these beams, columns, and slabs. and if it is found, appropriate measures need to be taken for