Verse 17

अथात्मनानुभूतानि दृष्टान्यासेवितानि च ।स्थानानि नगरे पश्यन्पप्रच्छ जनमादृतः

In plain words

Then, seeing in that city the very places he himself had once known, seen, and dwelt among, he earnestly questioned the people.