Command and Conquer 3 Tiberium Wars
It has one large Green tib field between the bases on either side. In the center is the 'Chokepoint' on either side of which are meduim-sized blue Tib fields. There are also some tech buildings in the Chokepoint.
A CnC3 skirmish map from Aveleo101. It's a four-player symmetrical map with a desert-theme.