Life in Color: green in a nocturnal rendezvous, two green tree frogs meet face-to-face atop a leaf in Louisiana's Atchafalaya River Delta.

生活的色彩：绿色。在一个夜晚的会合，两只树蛙相见面对面在叶片顶上位于路易斯安那州的Atchafalaya河三角洲。

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Vicksburg is the last major city before the flow of the river meets the spillways where it's diverted into the Atchafalaya River and adjoining swamplands.

维克斯堡是密西西比河与溢洪道汇合前的最后一个主要城市，汇合后的洪水转向阿查法拉亚河并与沼泽地邻接。

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Opening the spillway will redirect floodwaters from the Mississippi River through the Atchafalaya River Basin, which runs between Baton Rouge and Lafayette south toward Morgan City.

CNN: STORY HIGHLIGHTS

Louisiana state and local officials braced for the possibility of major flooding in the Atchafalaya River Basin if, or when, federal authorities open the spillway north of Baton Rouge.

CNN: Jindal: Morganza Spillway could open as early as Saturday

The National Guard worked around the clock to construct a flood barrier in Morgan City, Louisiana, where the Atchafalaya River was already 3.15 feet above flood stage, according to the National Weather Service.

CNN: Jindal: Morganza Spillway could open as early as Saturday