Answer:
Image: 1. Wonderful imagination, romantic exaggeration and illusory myths and legends create a magical and magnificent artistic world and produce thrilling artistic effects.
2. The style is magnificent, unrestrained, dripping and full of imagination, which embodies the romantic creative technique and passion.
Intention: Generally speaking, this poem is conceived and described according to the clues of Qin's entry into Shu from ancient times to the present.
These are artistic features.