Not to mention.

Jiang Chen's hunch is very effective most of the time!

Of course, this is thanks to his habitual observation!

I fumbled around around the bookshelf for a while.

Soon, he found the mechanism!

With a slight twist, there was an immediate "click" sound of mechanical operation!

......

Chapter 72 of "The Wild Dragon Goes Out of the Mountain" Old people meet, the second jade jue! I am hitting it in my hand, please wait a moment,

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