Eicha 5:21

הֲשִׁיבֵנוּ ה’ אֵלֶיךָ וְנָשׁוּבָה חַדֵּשׁ יָמֵינוּ כְּקֶדֶם

Restore us to You, Hashem, so that we may be restored; renew our days like those of old.

This verse is recited as the ark is closed. It comes from the end of the book of Eicha (Lamentations), which is read on Tisha b’Av. The ibn Ezra explains exactly where we wish to be restored: to Jerusalem, so that we may once again serve G-d as we did before the Temple was destroyed.