Introduction to the gathering of dragons: In Baoen Temple, pillars, beams, ceilings, caissons, ridged tiles, and even incense burners, plaques, bell buttons, etc., are carved or painted, cast or molded, and are prominent everywhere. Image of dragon. Especially the four 7-meter-long clay dragons in Huayan Hall are the most exquisite. There are 9,999 dragons in the whole temple. Including the dragon title "Long live the current emperor", there are a total of 10,000 dragons. It is also known as the "Dragon Palace in the Mountains".