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.
Special elevator in Burj Khalifa provides top of the world experience. Designed to climb 124 floors at 10 metres per second with the sound of dramatic music and a occasional ear pop as the only disturbance. Image Credit: Ahmad Ramzan/Gulf News. People looking out from the At The Top in Burj Khalifa yesterday. Visitors said the specially designed elevator adds to the overall experience.