Minecraft is a building gaming software, where you can build anything. Modular shapes are used to create this house structure. You can even see that environment around the house has been built and designed using modular shapes.
The Eiffel Tower, Minecraft style. i must admire how long a) it took whoever created this to build it but more importantly b) How long it took the ORIGINAL architect (Gustave Eiffel) to get the real thing built (around 10 years if i remember correctly.