 [ The road had ] " no less than 48 timber bridges of such width that two carts can drive over them side by side " . It had been built by Chang Jung [ Zhang Rong ] and the other engineers of the Chagatai some years before . The wooden trestles of Chinese bridges from the − 3rd century [ BC ] onwards were no doubt similar to those supposed to have been employed in Julius Caesar 's bridge of − 55 [ BC ] across the Rhine , or drawn by Leonardo , or found in use in Africa . But where in + 13th century [ AD ] Europe could a two @-@ lane highway like Chang Jung 's have been found ? 
 [ The road had ] " no less than 48 timber bridges of such width <a href='null_relcl' title='1'><mark>that</mark></a>two carts can drive over them side by side " . It <a href='been_done' title='2'><mark>had</mark></a> been built by Chang Jung [ Zhang Rong ] and the other engineers of the Chagatai some years before . The wooden trestles of Chinese bridges from the − 3rd century [ BC ] onwards <a href='uninflect' title='3'><mark>were</mark></a> no doubt similar to those supposed to <a href='been_done' title='4'><mark>have</mark></a> been employed in Julius Caesar <a href='null_genetive' title='5'><mark>'s</mark></a>bridge of − 55 [ BC ] across the Rhine , or drawn by Leonardo , or found in use in Africa . But where in + 13th century [ AD ] Europe could a two @-@ lane highway like Chang Jung <a href='null_genetive' title='6'><mark>'s</mark></a><a href='been_done' title='7'><mark>have</mark></a> been found ? 
[ The road had ] " no less den 48 timber bridges of such width two carts can drive ova them side by side " . It done been built by Chang Jung [ Zhang Rong ] and da other engineers of the Chagatai some years b4 . The wooden trestles of Chinese bridges from tda− 3rd century [ BC ] onwards was no doubt similar to those supposed to done been employed in Julius Caesar  bridge of − 55 [ BC ] across the Rhine , or drawn by Leonardo , or found in use in Africa . But where in + 13th century [ AD ] Europe could a 2 @-@ lane highway like Chang Jung  done been found ?