בָּעִ֣יר יָשֹׁ֗קּוּ בַּֽחוֹמָה֙ יְרֻצ֔וּן בַּבָּתִּ֖ים יַעֲל֑וּ בְּעַ֧ד הַחַלּוֹנִ֛ים יָבֹ֖אוּ כַּגַּנָּֽב׃
They leap upon the city, They run upon the wall, They climb up into the houses; They enter in at the windows like a thief.
Read midrashic interpretation of Joel 2:9: and classical rabbinic exegesis.