That's pretty sharp looking, brick work looks very authentic.
In case you were wondering, a MkVIII WW1 tank can actually climb over those... *coughcough*
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Tiger I - Panzer II - Panzer III - Panzer IV - Chi Nu Kai - Panther G - KV-1b 756(r)
M4A3(76) Sherman - T-34/85 - M3 Grant - SECRET PROJECT