The herbaceous mile-a-minute weed Mikania micrantha Kunth (Asteraceae) is an invasive plant that is known to cause substantial economic and ecological loss in forestry and plantation sectors in its introduced range of Asia-Pacific countries (Sankaran et al., 2008).
Burj Dubai has around 160 flights of stairs.Now called Burj Khalifa. The total number of stairs to Level 160 (the top habitable floor)of Burj Dubai is 2,909; to climb even higher (46 more maintanence levels), ladders are used.
The tower is designed to withstand high winds and seismic events. Inside the Burj Khalifa, the world's fastest elevators will whisk guests to an observation deck at 40 miles per hour. Other lifts will deposit residents at the 800 apartments between the 17th and 108th floors. The higher floors will house offices, while a club will span three levels in the 140s.