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.
Burj Khalifa: Dubai, United Arab Emirates. The Burj Khalifa, previously known as the Burj Dubai, is the tallest building in the world. It measures 2,723 feet high and has 163 floors. It took five years to build, and was completed in 2009 in Dubaiâs main business district.