Migrant bird serves as the testament of good ecology. Egrets are extremely picky about their living environment. There are three essential requirements for them to choose breeding place——dense vegetation, stable water sources, and sufficient food. ZRCC is the first "Egrets Nature Reserve" in a petrochemical complex in China. With a greenery coverage rate of 42%, the site provides egrets with a warm home.

As spring comes in March, egrets are returning to their cozy home!