KONE's test tower is 300m, but it goes down an old mine shaft, so technically not the "tallest" :) First link I google'd up: https://www.youtube.com/watch?v=nG

KONE's test tower is 300m, but it goes down an old mine shaft, so technically not the "tallest" :) First link I google'd up: https://www.youtube.com/watch?v=nGRMY-9a-tw https://www.youtube.com/watch?v=nGRMY-9a-tw