For many of us, home means a flat in an apartment complex, where the building management often provides an extra layer of security.

CNN: ASIANOW - TIME Money | Keeping It Safe | 11/99

Mongolian spots (technically named congenital dermal melanocytosis) are flat bluish-green, gray or light brown areas where cells called melanocytes have been trapped in a layer of the skin called the dermis.

CNN: What are Mongolian spots?