Jesus tells His disciples the Temple will be destroyed, which worries them, then he tells them how they will know when it’s about to happen, along with other ‘end-time’ events: Mark 13:1–23; Matthew 24:1–25; Luke 21:5–24; Mark 13:24–31; Matthew 24:26–35; Luke 21:25–33

When Jesus reduced the Temple to a pile of rubble:

^{Mark 13:2} Yes, look at these great buildings. But they will be completely demolished. Not one stone will be left on top of another!

He was saying that this:

Or maybe this:

Or even this:

Would end up like this:

The so-called Wailing Wall (a retaining wall from the Temple complex), that’s all that’s left:

The Wailing Wall, Jerusalem [Gustav Bauernfeind, 1848-1904]