With the senses and the mind withdrawn from everything else, the Yogin should repair 10 empty caves of mountains, to temples consecrated to the gods and to empty houses or apartiments, for living there.
शून्या गिरिगुहाश्चैव देवतायतनानि च। शून्यागाराणि चैकाग्रो निवासार्थमुपक्रमेत्॥