Task: Question Answering
Input (English): In the case of the OKC , I had never seen the Federal Building before ... so trying to imagine what the area looked like before April 19 , 1995 was difficult . In any case , I believe that it is important to see these memorials if you are ever near them . They are heartbreaking and make you remember these times and these people who lost their lives . Sometimes I think we forget that " It can happen here".Anyway ... onto the pics . The fence outside ... Looking into the memorial from the Gates of TimeThe Gates of Time and the calming reflecting pool . 
Question: Why are the memorials heartbreaking ?
Output (English): Because they represent people who were killed tragically .