দক্ষিণ এশিয়ার প্রথম ডুবো টানেল বাংলাদেশে ।বঙ্গবন্ধু শেখ মুজিবুর রহমান কর্ণফুলী টানেল চট্টগ্রাম।
বাংলাদেশর সর্বপ্রথম বঙ্গবন্ধু টানেল।
Жүктеу.....
Пікірлер: 4
@user-jk5jt5lp5u3 ай бұрын
Tremendous ❤❤
@user-jz2le5my1mАй бұрын
Nice ❤❤❤
@MDSABBiR-ml1qv3 ай бұрын
❤️🥰❤️🥰
@syedmominulkabirmamun63343 ай бұрын
Why the ceiling or roof is covered with black colored board inside the Tunnel because everywhere in the world none of the tunnels used the black color because it creates an additional darky environment and causes more accidents and fear. everyone use the white colored decoration because it increases the brightness of the light by reflection and reduce the occurrence of accidents by giving the feelings of daylight and emboldens our mind as if we are traveling over the bridge not under the tunnel.
Пікірлер: 4
Tremendous ❤❤
Nice ❤❤❤
❤️🥰❤️🥰
Why the ceiling or roof is covered with black colored board inside the Tunnel because everywhere in the world none of the tunnels used the black color because it creates an additional darky environment and causes more accidents and fear. everyone use the white colored decoration because it increases the brightness of the light by reflection and reduce the occurrence of accidents by giving the feelings of daylight and emboldens our mind as if we are traveling over the bridge not under the tunnel.