i need some help...

i dont know how to make these ramps look more natural, could u tell or show me how to make them look not so... 'strait' here is the map. the ramps r near the bases, i think that there is 4 of them.

Just add some height.

ok here it is, sry i forgot. and i will try to add hieght but i dont think that will help. look at it.