▁Name ▁The ▁name ▁Bak se i ▁Cham kr ong ▁means ▁" The ▁Bird ▁Who ▁Sh el ters ▁Under ▁Its ▁W ings " ▁and ▁comes ▁from ▁a ▁legend . ▁In ▁it , ▁the ▁king ▁tried ▁to ▁fle e ▁Ang kor ▁during ▁a ▁sie ge ▁and ▁then ▁a ▁huge ▁bird ▁land ed ▁and ▁shelter ed ▁him ▁under ▁its ▁wings . ▁ ▁Description ▁This ▁temple ▁is ▁one ▁of ▁the ▁first ▁tem ples ▁constructed ▁of ▁dur able ▁material ▁such ▁as ▁br icks ▁and ▁later ite ▁and ▁with ▁decor ation ▁in ▁sand stone . ▁A ▁brick ▁en closure ▁originally ▁surrounded ▁the ▁py ram id ▁with ▁a ▁stone ▁g op ura ▁on ▁the ▁east ▁side ▁is ▁now ▁almost ▁completely ▁disappeared . ▁Much ▁of ▁the ▁st u cco ▁on ▁the ▁surface ▁of ▁the ▁temple ▁has ▁van ished . ▁The ▁main ▁sand stone ▁l int el ▁is ▁decor ated ▁with ▁a ▁fine ▁car ving ▁of ▁Ind ra ▁standing ▁on ▁his ▁three - head ed ▁ele ph ant ▁A ira v ata . ▁Gar lands ▁em an ate ▁from ▁either ▁side ▁of ▁Ind ra ▁in ▁the ▁style ▁current ▁to ▁the ▁monument . ▁There ▁is ▁an ▁ins cription ▁on ▁either ▁side ▁of ▁the ▁small ▁door way ▁which ▁detail ▁the ▁dedic ation ▁and ▁pra ises ▁the ▁early ▁Kh mer ▁k ings ▁from ▁Jay av ar man ▁II ▁on ward ▁as ▁well ▁as ▁earlier ▁legend ary ▁k ings , ▁including ▁the ▁ancest or ▁of ▁the ▁nation , ▁the ▁herm it ▁K amb u . ▁ ▁The ▁py ram id ▁measures ▁ 2 7 ▁metres ▁across