The new 'in' thing is to have a Vertical Garden.
It appears that it is fashionable to possess a Vertical Garden in your building and many corporate houses are now, imbibing the process to grow one!
The city of Singapore has taken the cake and grown the tallest vertical garden of the world. World’s largest vertical garden is held by a condo tower in Singapore. It goes by the name of 'Tree House' and has a lush exterior green wall measuring 24,638.59 square feet.