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.
You'll need a ticket and the hamstrings to climb up a cramped, 146-step double-helix spiral staircase with six feet of head clearance. Florli Stairs, Norway â Norway's Florli Power Station has 4,444 steps that will take you up 2,427 feet. Second, It's also the longest staircase in the world made entirely out of wood.