[video width="640" height="360" mp4="http://i.samaa.tv/wp-content/uploads//usr/nfs/sestore3/samaa/vodstore/digital-library/2015/12/VIR-Pent-House-Pkg-18-12.mp4"][/video] The dirty business of building penthouses is booming in Karachi. What is this penthouse? Get the answer to this question in this report.