Read the poem and answer the question In front of the gate, the guard stands...

Read the poem and answer the question

In front of the gate, the guard stands with his rifle,

Above, untidy clouds are carrying away the moon,

The bedbugs are swarming around like army tanks on manoeuvers

While the mosquitoes form squadrons, attacking like fighter planes.

My heart travels a thousand miles towards my native land.

My dream interwines with sadness like a stein of a thousand threads,

Innocent, I have endured a whole year in prison

Using my tears for ink, I turn my thoughts into verses.

The imagery in the first four lines is predominantly