Hey, this may be a bit late but thought I'd suggest. Originally you said you wanted those pillars to be stone, but I'm not sure where the I beam comes into play then, as stone pillars would just be solid stone. Now it might be concrete pillars, if that is the case I suggest finding more reference photos of rubble and…
Hi Rabant, amazing building! I do think you need to fix the textures on the pillars though, it kinda looks like it's wood over the concrete. Nice overall =)