Anti -- i'll cut & paste some response i've given in the past if that's ok...
Matt. 24:3 -- Jesus Speaking privately to His disciples @ the Mt of Olives
Mark 13:3 -- Jesus Speaking privately to 4 of His disciples @ the Mt of Olives
notice from the 2 Passages we conclude Jesus Speaking to only 4 people @ the Mt of Olives -- let's see if the Luke account tells us anything different -- Luke doesn't overtly mention in chap. 21 where they are so let's backtrack to see if we can clearly discern the location...
Luke 20:1 -- Jesus Speaking to the people @ the Temple with some of the Jewish leadership coming to test Him...
this continues thru-out the chapter as there is various Qs asked
Luke 20:45 -- Jesus still Speaking to the people...
Luke 21:1 -- a clue they are in the Temple
Luke 21:5-6 -- still appear to be @ the Temple...still surrounded by the people...Jesus is asked some Qs that lead to a similar setting to the 1 in Matt 24 & Mark 13
now what i see are 2 separate events -- the assumption is the Luke account describes events that happened earlier & 4 of the disciples came later that evening & asked Jesus for some more insight -- perhaps they did not understand His previous Answers -- perhaps they did not hear Him due to the crowds (the place was packed due to Passover)
we also have some added insights here: Luke 21:37-38 -- so we now have diff times in play as well
also, how far apart our the Mt of Olives & the Temple??? -- here's an illustration that helps (http://www.swaen.com/antique-map-image-of.php?id=1799
) -- clearly, this is not in Jordan but it is a noticeable distance off -- so reading the Text, i conclude 2 separate events, @ 2 separate locations, to 2 distinct groups
1 thing that always bothered me when conversing with preterists was the fact thay clung to Luke 21 which appeared to describe the events of 70AD in part -- however, Matt 24 & Mark 13 did not in my estimation
Luke 21 & Matt 24 begin similarly but there is a divergence...
Luke 21:10-11 10
Then he said to them, “Nation will rise up in arms
against nation, and kingdom against kingdom. 11
There will be great earthquakes, and famines
and plagues in various places, and there will be terrifying sights
and great signs
from heaven. Context (NET)
Matt 24:7-8 7
For nation will rise up in arms
against nation, and kingdom against kingdom. And there will be famines
in various places. 8
these things are the beginning of birth pains. Context (NET)
but look how each author continues:
Matt 24:9 9
“Then they will hand you over to be persecuted and will kill you. You will be hated by all the nations
because of my name. Context (NET)
Luke 21:12 12
But before all this,
they will seize
you and persecute you, handing you over to the synagogues
and prisons. You
will be brought before kings and governors because of my name. Context (NET)
"But before all this..."
it's as if Luke goes back in time from the period he & Matthew are talking about to add the bit about Jerusalem getting jacked up (again)
so it would be my contention that Luke describes Jerusalem being sacked in 70AD while Matt/Mark do not -- also, Luke 21:12-24 is not found in Matt 24/Mark 13 & the "abomination" stuff is not found in Luke 21