What do you mean by the scenery of the left atrium and the fleeting time on the right hand side?

The scenery of the left atrium means that the beautiful emotional world is deeply rooted in people's hearts, and the future days pass in front of time. According to relevant public information, the scenery in the left atrium is understood as the emotional world in people's hearts, saying that it is a beautiful scene presented by people's inner world. The fleeting time on the right hand side is understood as the future and the passage of time. The meaning of the whole sentence is understood as that the beautiful emotional world is in people's hearts, and the future days are in front of time. They are independent of each other, but they are also related. This expression is more poetic and poetic.