Nowadays the constructions of skyscrapers have become a widespread phenomenon, we never saw so much new skyscrapers built and under construction all over the world before, skyscrapers are no longer limited in America like in last century, when the majority of tall buildings are located in United States, today even many traditional European cities have their own skyscrapers built, apart from the astonishing amount, the height is getting higher and higher, many cities in China are constructing skyscrapers taller than 500m, and even the height of Burj Khalifa cannot keep it the tallest building of the world longer, there are already two projects of towers with heights of more than a kilometer in progress.
And the most vital factor is the financial difficulties, which is also the lots of skyscraper projects are facing. This factor comes from two aspects, respectively are the scarcity of land and high cost on construction, on average a standard skyscraper occupies an area of 2000 square meters, in some cities like New York such a land requires up to 500 million dollars, and the cost for construction ranges from some 300 million to over a billion, a skyscraper with the base as large as Mount Fuji equals to thousands of standard skyscrapers, which real estate developer in the world has so much money to build it? Today developers are struggling to secure the funds to build those standard size skyscrapers, and in New York City, most of newly built towers are super skinny as they are more easy to build and highly profitable.
150 meters seems too short, let's see another one: