The question is, where exactly will it flow? Well, let's go back to the thick ascending loop of Henley. Recall that the thick ascending loop of Henley, what it basically did is it created a hypertonic environment in the surrounding tissue, in the interstituum. That means within the interstituum surrounding our descending loop of Henley, we have a high concentration of solute as compared to the inside. And because water always travels from a low solute concentration to a high solute concentration, water will passively move from the lumen from the inside of the descending loop of Penalty and to the outside. So at the top, our filtrate is isotonic with respect to our surrounding tissue.