Dangerous Skyscrapers...
Modern materials and building techniques have allo... ...cago’s Sears Tower began shedding sheets of glass as wind speeds reached up to 70 miles per hour. F... ...reached up to 70 miles per hour. For hours, some falling windows shattered other windows on their way down... ...can prove dangerous (even de...
https://www.neatorama.com/2017/05/16/Dangerous-Skyscrapers/
