Ezekiel 36:16 Commentary: Rashi

“Aha!” [An expression of] joy.

and “the high places of the world” the land of Israel, which is the height and the beauty of the world.

those around you were appalled and longed [Your neighbors] were appalled and astounded [at the opportunity] to laugh and see the end of your destruction, and were longing, pining, and looking forward to your becoming an inheritance for the remnant of the nations.