the tallest tower in the world

Why the foundation of the world's tallest tower Burj Khalifa must be powered 24/7
a special foundation with a construction period of up to 2 years helps the 800-meter-high burj khalifa in dubai withstand winds of 240 km/h.
Surprise with the record of altitude in the world is unknown
do you know how many meters of geese can fly and how tall are the tallest trees in the world? try to guess and check the correct answer via video to discover the world altitude record below.