Qhov ntaub ntawv
The stairs rau nws 2.5 m     (2500 hli)
Qhov ntev ntawm tus stair qhib rau 3000 hli
Cov nab npawb ntawm cov kauj ruam 13
Thickness ntawm cov kauj ruam 50 hli
Cov kauj ruam qhia 50 hli

Nyo hau hlua staircases
Qhov ntev ntawm tus bowstring 4167 hli
Ntawm lub kaum sab xis ntawm the stairs 39.8°

Luaj li cas ntawm cov kauj ruam
Nws txawj 192 hli
Le theem 281 hli
Nws yog podstupenka 142 hli