https://seearttoday.wordpress.com/2012/11/06/andy-goldsworthys-roof/
https://prezi.com/ncaayoixt7o_/roof-by-andy-goldsworthy/
https://archive.nytimes.com/www.nytimes.com/learning/students/pop/20030916snaptuesday.html
https://mjhnyc.org/andy-goldsworthys-garden-stones/
https://mjhnyc.org/exhibitions/garden-of-stones/
https://www.azquotes.com/author/5664-Andy_Goldsworthy
https://www.thesaurus.com/browse/subject?s=t
https://www.britannica.com/topic/Andy-Goldsworthy
https://www.kidzworld.com/article/29663-andy-goldsworthy-the-art-of-nature
http://www.cameronandhollis.uk/midsummer-snowballs/
https://www.lensculture.com/books/2111-midsummer-snowballs
https://www.google.com/search?safe=active&rlz=1C5CHFA_enAU788AU788&biw=1297&bih=633&tbm=isch&sa=1&ei=cM9YXcnIJ9rorQG8_bSoBg&q=Andy+Goldsworthy+&oq=Andy+Goldsworthy+&gs_l=img.3..0l10.2729.9765..10078...2.0..1.250.2686.1j16j1......0....1..gws-wiz-img.....0..0i67.HWBcJ06hrHs&ved=0ahUKEwjJwKKaxovkAhVadCsKHbw-DWUQ4dUDCAY&uact=5
http://www.american-historama.org/1881-1913-maturation-era/san-francisco-earthquake.htm
https://deyoung.famsf.org/about/site-specific-art-commissioned-de-young/andy-goldsworthy-drawn-stone-2005