   neutral   Tv towers are usually thicker at the bottom than at the top. They ’ re not perfectly cylindrical.     neutral   This is the world ’ s largest sports stadium. It ’ s a massive oval.  
    neutral   What sports do they play there?     neutral   It says here that it ’ s mainly used for big football matches and athletics meetings.  
    neutral   Is that building a perfect cube?     neutral   
 No. Most of them don't look like this, because most people use different materials if you
 Yes, it is! I bet you didn't know that. Most super-skysc