וְנָסְעוּ֙ הַקְּהָתִ֔ים נֹשְׂאֵ֖י הַמִּקְדָּ֑שׁ וְהֵקִ֥ימוּ אֶת־הַמִּשְׁכָּ֖ן עַד־בֹּאָֽם׃ (ס)
And the Kohathites the bearers of the sanctuary set forward, that the tabernacle might be set up against their coming.
Read kabbalistic (mystical) interpretation of Numbers 10:21: and classical mystical sources.