Nthing in this world is completely flawless. wether it be good ,evil,love ,hatred. neither of the  emotions can exist without  their opposite emotions. The presence of both is important and thus they creat each other. Maintaining the balance .
Thus, two swans creating each other. Dark emotions creating the good one as both are important to maintain the balance.

Love binds people together. The creepers depicts the emotions coming out ,the energy relesed in the universe.
 

miscellaneous tree ....of life 
Life in which some things are complete and incomplete  ,some flowers of life are filled with colors and some are just empty.

LOVE...can change the world  .
Here the love emotions are overcoming the  darkness , evil , mood could be anything. 

world's evil eye eyeing the peace..love of the world.