Figure 7From: Production and global transport of Titan’s sand particlesWestern border of Xanadu. Cassini RADAR view of the western border of Xanadu, where the dunes from Shangri-La stop abruptly (yellow arrows). The interior of Xanadu has complex topography, but on average the terrain elevation within Xanadu is lower than it is in the sand seas [59]. Xanadu is also riven with river channels [58,60,61].Back to article page