As you already know Japan is an island country in East Asia and it is an extremely overcrowded place. There is literally nowhere to build and in the capital (Tokyo) even the prices for a graveyard space can get an astonishing price of $100,000 USD per plot in central areas (crazy, right?).
Kiyoshi Takeyama (very talented architect) has found a clever solution: a very high skyscraper that is much like a real-life stairway to paradise.
The Shinjuku Rurikoin Byakurengedo can be found in Tokyo’s shopping district, and utilises advanced technology developed by Toyota Industries. Electronic ID cards are located next to the tombs, which can open automatically, displaying the deceased’s gravestone along with his/her photo. “H/T”: theplaidzebra, designilike
You can also find high tech cemeteries in Brazil, China, and Israel.