They are located in Dogok-dong, Gangnam District, Seoul, South Korea.

[1] The builders of the Tower Palace installed high-tech security measures.

Card keys issued to residents are required at all entrances and elevators.

Each residence's entrance is accessed by either a key code or fingerprint identification.

Everything from lighting, curtains, home networks and even washing machines can be pre-set to perform certain actions at a defined time or when a mode is activated from the control panels.