'The main lamasery chanting-hall. It was fifty feet high with a two-hundred-foot front, along the entire length of which ran thirteen heavy stone steps. Four thousand lamas could be seated at one time in this great hall.' (p. 45 & 48).
Source of Descriptive Information
Forman, H. (1936). Through forbidden Tibet: An adventure into the unknown. London: Jarrolds. (p. 45-48). Forman, H. (1934, July) The gods dance at Lhabrang Gomba. Travel, LXIII (3), p. 20.