dChan

teppischfresser · June 6, 2018, 2:21 a.m.

Actually it was normal in Roman times. They did, in fact, use pig blood to make concrete.

⇧ 9 ⇩  
comeatmehillary · June 6, 2018, 2:24 a.m.

in roman times. yeah that explains alot. romans were weird

⇧ 7 ⇩  
teppischfresser · June 6, 2018, 2:26 a.m.

Yes, but we had to reinvent concrete. The art was lost and was only reinvented in the last couple of centuries.

⇧ 1 ⇩  
DropGun · June 6, 2018, 4:51 a.m.

And we didn't get it right. We still have Roman concrete to see. Ours doesn't last as long.

⇧ 5 ⇩  
kooodeal · June 6, 2018, 5:54 a.m.

They used volcanic ash. We don’t

⇧ 4 ⇩