Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
Urbanrenewalprogramsstrivetoupgradeareasthatarebecomingslums.
Theflowerbudofawaterlily百合opensatsunsetsince.itsopeningistriggered(commence).bythedecreasedlight.
In1861itseemedinevitablethattheSouthernstateswouldbreakawayfromtheUnion.