Bigest PRECAST Box Culvert Tunnel

"Just look our new product. This is Our Bigest Box Culver Ever made this far. With 8m width and 4.5m height, this box culvert used as a tunnel to connect between Terminals and apron in Adisucipto Airport in Jogjakarta. This box culvert use be an underpass below railroad". I found this article and think that in INDONESIA there is precaster that can do this marvelous job. Can you see?, a man that stand under those box?. Its a huge Box Culvert. When i get this article, i have found those precaster name. They called PT. LISA CONCRETE INDONESIA.

Source : http://lisaconcrete.blogspot.com/2008/01/our-big-box-culvert-tunnel.html