と同様のハッシュタグ #buildings
ハッシュタグを投稿に入れるか、投稿の下の最初のコメントとして。
#buildings #oldbuildings #tv_buildings #beautifulbuildings #srs_buildings #buildingswow #colorfulbuildings #historicbuildings #viennabuildings #colourfulbuildings #buildingstyles_gf #buildingsite #historicalbuildings #buildingstylesgf #trailbuildingsyndicateinnsbruck #buildingstyles #lookingupatbuildings #viennesebuildings #citybuildings #modernartinoldbuildings #buildingsphotography #ig_buildings #instabuildings #buildingslovers #publicbuildings #buildingsinvienna #bitsofbuildings #igbuildings #lookingupbuildings #prettybuildings