When my cousin was younger, we taught her to be polite and wave and say hi to people that said hi to her. So when she looked out the window and saw trees swaying.. she waved at them because she thought they were waving at her!
A childhood belief about plants

others believed things like this
- I use to believe that the trees caused the wind to blow by swaying back and forth, like a chinese fan. — Jason Blanchette
- My dad told me that when he was little, he thought the trees waved back and forth to make the wind blow.— casey
- That the trees made the wind by waving— diyjoe.com
- I used to think that the wind was caused by all the trees waving about.— dismal dunc
- I thought a tidal wave was acutualy a title wave because if the wave was big enough it had its own title!— Nate
- i used to believe that if u looked out of an aeroplane u could see god and he would wave at you
— georgina