Why this flower photo is appealing?Look at some of the factors.

Correct exposure

Under exposed

Over exposed

Dark back grounds here Giving 3D effect

The camera position

Direction of the Sun light

Tenderness of the petals

Light passing throughthe thin petals showingInner structure

Little exposure of Pollen here

Pink colour of the flower

Sharpness and otherdetails in the photo

Photography is a very interesting hobby.To learn photography from fundamentals,note down the link below.http://jrambook.blogspot.in/2015/04/best-hobby.html