The first picture: the good angel. Because swans strictly adhere to monogamy throughout their lives, if one party dies, the other party will not eat or sleep, and will die for love
So, swans are regarded as A symbol of loyalty and eternal love. People often use swans as a metaphor for loyal love.
Swans are also a symbol of peace, kindness, loyalty, bravery and high ambition. Since ancient times, people have called them "beautiful angels".
The second picture: The support of life, because with fields, there will be hope of life
The third picture: Because the future is abstract, it is like an unpredictable future
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Good luck!