About TAKAI KAZUNORI
About OBATA YOSHIHIRO
About SAKAMOTO HIROSHI
About snow storm
About natural disaster
About road
About maintenance
About fire protection system
About wind tunnel test
About model test
About flow visualization
About image analysis
About computer simulation
About capability conservation
About 防雪棚
About Natural disasters
About 吹雪
About 障害
About 防雪柵