What is going on with this Chinese Wheeled Armored Amphibious Combat Vehicle?

 

Chinese ZBL-08 with modules. These can be flotation devices or armor modules (or both), but why it have these pipes? pic.twitter.com/QpV3D9PPIx

— The Dead District (@TheDeadDistrict) September 15, 2021

Yeah. What the fuck is going on with the piping? Don't need it for any add on armor...not "regular" or flotation! Just plain weird. Any ideas?