modified the label of the place

added “smithsonian american art museum “ to the place label.
deleted properties of ownership and transfer-title

deleted properties about ownership and transfer-title
deleted some images

deleted the  image uris that have copyright ”restricted (see file”
delete some images

deleted the image uris that have copyright ”restricted (see file”
backuped the old models

backuped  the old models
deleted some useless files
gitigore file