# data[].attributes.body
Wind vanes check the speed of wind

# data[].attributes.body
They would want a wind vane because they wouldn't know where the wind is going.

# data[].attributes.body
because it points at the deretion of where the wind is blowing

# data[].attributes.body
A wind vane tells the direcshon  the  wind is going.

# data[].attributes.body
Why would someone want a wind vane?