橋 コンクリート 橋脚 河川
Keywords
bridge,
stream,
water,
sky,
landscape,
nature,
architecture,
route,
concrete,
outdoors,
cloud,
construction,
transportation,
river,
water surface,
japan,
way,
construction industry,
construction,
work,
safe,
dangerous,
open air,
flooding,
water damage,
cross-linkage,
pier,
parapet,
levee