Through the fast development human civilization has accomplished the nowadays prosperous society，since several centuries people have been created the better quality of life. But behind this, this Earth which we grows are starting changing. We have regarding the natural destruction like "nibble", because it looked resembles slowly even with difficulty realized, but in the essence to the environment influence actually is quite acute.
The remnant sound which comes by the Reverb this adjective association,odd sound leaves behind in the mind would be the most direct explanation.
Just like the sound which short hears and remains in the mind, perhaps he is a thought, an impression, one kind of ponder. Even if that is abstract and indefinable but it truly exists. Our designment will melt into such concept and also hoped the immixture by our work transmission will remain the same echo in the view mind.