וּרְחֹב֤וֹת הָעִיר֙ יִמָּ֣לְא֔וּ יְלָדִ֖ים וִֽילָד֑וֹת מְשַׂחֲקִ֖ים בִּרְחֹֽבֹתֶֽיהָ׃ (ס)
And the broad places of the city shall be full of boys and girls playing in the broad places thereof.
Read kabbalistic (mystical) interpretation of Zechariah 8:5: and classical mystical sources.