The setting sun needs to travel 150 million kilometers and takes more than 500 seconds, which is about 8 minutes and 33 seconds.
Only then can its orange color be spread all over the snow-covered land.
Through the wind, through the clouds, through the branches and vines on this field.
Quietly watching Nian An raise his head on the snow where reeds grew wildly.
Looking at the layers of trees not far away that have lost all their leaves, looking at the pale sky with only a trace of clouds left, looking at the orange-red sun...
Smiling softly and gently, he opened his arms and hugged the sun that belongs to this world.
Say: "Goodbye, seventeen years."