arrow bird bird house birdhouse birds direction house nest pilgrim shelter treehouse wind arrow wind shaft wooden clouds coastline evening evening sky grass grasses sand sand dunes skies sky succulents vegetation wind wind direction bricks cards chinese directions gambling game green Ivory mahjong porcelain winds air sleeve air sock airfield airport airstrip blow cone conical drogue pole post sleeve sock vane weather weathercock weathervane wind cone wind sleeve wind sock windcone windsleeve windsock windy measure meteorological meteorology monitoring mountains propeller speed station air flag helicopter red roof storm symbol tempest warning white climate conditions east north south weather vane west architecture blue iron metal pointing veleta viento compass decoration directional indication indicator orientation point sign weather-vane windcock