New Wheeled Bridge Layer & "Engineer" Vehicle? via China Defense Blog. UPDATED!

Note:  The pics below are via China Defense Blog, you can check it out here. Oh and I need one of you China experts to hit me up on my e-mail to give me pointers on how to navigate the Chinese part of the internet.  I've gone through their version of Google and its still a bear to get where you want to go...help please.

What the hell is this structure for?  Increase visibility during clearing ops?

Galvars found this additional photo...

Is anyone noticing how large these vehicles are?  I can't quite put it to scale but just eyeballing it they look a bit larger than the Stryker and almost the size of BAE SuperAV