Where should the Amah be positioned? Should it feature anything within it?

Is one Zecher l'Churban sufficient for all of the rooms in the house? What buildings are exempt?

Should one omit one dish, to remember the Churban, at a Se'udas Mitzvah such as a wedding?

Should one omit one dish at his table on Shabbos and Yom Tov? If not, what type of Zecher l'Churban should be practiced then?

Why was Keri'ah instituted only for the cities in the region of Yehudah? What is the definition of "a state of destruction"?

Does one tear Keri'ah over the city of Yerushalayim nowadays?

What is the source that one does not repeat Keri'ah if he has already seen these locations of Churban within the past 30 days?

If one did not tear while in the presence of the Churban, should he still tear the garment later on? If he did not tear that day at all (e.g., it was Shabbos or Yom Tov), should he tear the next time he visits, even within 30 days?

What else should one do and say when one sees Yerushalayim in a state of destruction?

Must women tear Keri'ah upon seeing the places of the Churban? How is this done practically?

Are there days which are exempt from the obligation to tear Keri'ah?

Need a resident of Yerushalayim tear Keri'ah if he has not seen the place of the Mikdash for 30 days?