How does the author imagine the process of amber formation in this article? Say it briefly in his own words.

1. The rosin dripping from the old pine tree wrapped the flies and spiders, and the rosin continued to drip, covering the original material and accumulating into a rosin ball.

The sea flooded the forest, and that special turpentine ball was submerged under the sediment. Thousands of years later, it became a fossil.

Amber appearance: In the transparent amber, two little things are still crawling well. We can see every hair on their bodies. You can also imagine how they struggled in the thick turpentine at that time, because there were several black rings on their legs.

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Related anecdotes:

The Russian state once exchanged 100 precious oil paintings for the "Case the Great Amber Room", a national treasure of the former Soviet Union lost to Germany in World War II. This national treasure is inlaid with thousands of colorful amber pieces, but unfortunately, half of them have disappeared, and only the remaining half was later exchanged, which made all Russians ecstatic.

Amber occurs in sedimentary strata, coal measures strata and coastal placers. The world-famous amber is produced in Baltic countries, such as Russia, Poland and Denmark. A small amount is produced in Norway, Romania and Britain. Amber with golden luster like the sun makes many people dream.