Parashas Eikev · Passuk 9:1
Hear, O Israel! You are about to cross the Jordan to go in and dispossess nations greater and more populous than you: great cities with walls sky-high;
Torah Temimah points to Cross-ref. Devarim 1:28 (TT).
TT lemma: ובצורות בשמים.
Sefaria — Cross-ref. Devarim 1:28 (TT)
English: “And fortified up to the heavens” — Torah Temimah points to the parallel phrase at the opening of Devarim (1:28) and instructs to join the derasha there to this verse. The exaggerated height of the Canaanite cities is the same rhetorical figure in both places.
Custom (cross-reference within TT)
The language of cities “fortified to the heavens” is treated as one midrashic unit with Devarim 1:28.