King James Version (KJV)
And Joshua burnt Ai, and made it an heap for ever, {even} a desolation unto this day.
Modern English
So Joshua burned Ai, and made it a heap forever, even a desolation, to this day.
Hebrew
וַיִּשְׂרֹ֥ף יְהוֹשֻׁ֖עַ אֶת־הָעָ֑י וַיְשִׂימֶ֤הָ תֵּל־עוֹלָם֙ שְׁמָמָ֔ה עַ֖ד הַיּ֥וֹם הַזֶּֽה׃
vayishrof yhvoshuʿa ʾet-haʿay vayshiymeha tel-ʿvolam shmamah ʿad hayvom hazeh