Biorramaid
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Gizeh_Cheops_Chephren_Mykerinos_BW_1.jpg/300px-Gizeh_Cheops_Chephren_Mykerinos_BW_1.jpg)
Tha biorramaid neo piorramaid na structair aig a bheil bun ceàrnach agus ceithir taobhan a chlaonas gu binnean.
Bidh cuid de seann chàrn-chuimhne Èiphiteach air a bheil air chumadh biorramaide. Bha biorramdean aig na Aztecs, Mayanaich agus Babiloniaich cuideachd.