Bonheur Efface

I have to admit this work is major impressive!
the color's and the vibrance , it almost gives me goosebumps!

i love how the flower's stand out.
but one thing that throws me off is the red line above the flower's?
Im not really sure is there's a meaning behind the red line it just seems to be like its randomly there?

Other then that there are no faults in the picture!
its impressive ,and calming at the same time.
Calm when you glance at the flower's
and almost dark when you look at the walls!

Cheers and good luck!
<3