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 Burj Khalifa, originally the Burj Dubai, is a supertall  skyscraper in Dubai, United Arab Emirates.   As of its topping out in 2010, it is the world's tallest buildinâ¦g,  and at 828 meters tall (2717 feet) it is in fact the tallest  manmade structure in the world.