All of a sudden! Starbucks Shanghai Bakery suddenly let out a big smoke screen! The legendary three explosions?

Just now, the moments have been scrubbed, Starbucks factory store, smoke! The legendary "three explosions"? Netizens photographed a video of Starbucks baking workshop in Shanghai with a big smoke screen! Whoa! From the video point of view, the smog is relatively large, but also seems to be a power outage, it seems that everyone is more concerned, is the bean paste? Are the beans too deep-baked? People familiar with the matter, tell the editor what happened.