Reference for Zevachim 235:15
קדשי קדשים: מנא הני מילי א"ר אושעיא דאמר קרא (דברים יב, יג) השמר לך פן תעלה עולותיך בכל מקום אשר (אתה) תראה בכל מקום אשר תראה אי אתה מעלה אבל אתה אוכל בכל מקום שאתה רואה
It had no roof, but stones below and curtains above.<span class="x" onmousemove="('comment',' Thus it partook partly of the nature of a house, and partly of the nature of a tent. - Cur. edd. add: 'And that was the rest': this is deleted by Sh. M.');"><sup>21</sup></span> MOST SACRED SACRIFICES [etc.] Whence do we know it? - Said [R'Eleazar in] R'Oshaia['s name]: Because Scripture saith, Take heed to thyself that thou offer not thy burnt-offerings in every place that thou seest:<span class="x" onmousemove="('comment',' Deut. XII, 13. This means when they will have come to the rest' (v. 9) ' sc. Shiloh, and 'in every place that thou seest' is understood to mean: in every place whence the Tabernacle at Shiloh can be seen.');"><sup>22</sup></span>