In the heart of Langzhong’s ancient streets stands a mosque that holds a mountain in the air. Built in 1669, Langzhong Mosque's main prayer hall is a beamless chamber soaring ten stories high, a feat of engineering called “two lads carrying a mountain.” This architectural secret, designed by experts from Shaanxi and Gansu and modeled after the Great Mosque of Xi’an, was funded by the Bao family for their community.

The structure is a Qing dynasty quadrangle of wood, stone, and cylindrical tiles. Under its eaves, intricate liupuzuo brackets distribute immense weight. The entrance wall is carved with rare embossed art, and inside, over forty gilded plaques bear messages like “The Right Way” and “Golden Heaven Holy Land.” The space accommodates 400 worshippers under carved beams and painted rafters, an atmosphere of ancient tranquility.

For over 350 years, it has served more than 2,000 Hui Muslim households, following the Gedimu school of Sunni Islam. Its identity was formally recognized in 2002 as a provincial-level protected site, now part of the Langzhong Ancient Architectural Complex.

Today, the hall’s silent, soaring vault continues to speak—a testament to the Bao family’s faith, the artisans’ forgotten calculations, and the daily prayers of a community of 8,000.