This is the 316th most frequent Russian word.
продолжают
"Продолжают" means "they continue."
In this sentence, "продолжают" is a verb in the third person plural form and is used to describe an ongoing action, indicating that 'they' are still engaged in working on the project.
Они продолжают работать над проектом.
They continue working on the project.
Here, "продолжает" (related to "продолжают") is in the third person singular form and conveys continuity in the action of nature amazing us, thus expressing an action that persists over time.
Природа продолжает удивлять нас.
Nature continues to amaze us.
In this context, "продолжают" emphasizes persistence and uninterrupted effort even in challenging circumstances, illustrating the ongoing pursuit of success.