In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

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 .
Why are the memorials heartbreaking ?