Ceiling Altamira paintings - https://northernexposurespain.files.wordpress.com/2014/03/mayfields-218.jpg

Side wall painting - https://avatars.mds.yandex.net/get-pdb/34158/cd15deed-c8c2-424e-be3f-a591f4c3f491/s800

Colossal Heads - https://i.pinimg.com/736x/a3/2c/dd/a32cddb25056202fedcf906cd16297da--prehistory-archaeology.jpg

Golbeki Tepe - https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2017/10/04180000/nationalgeographic_1424819-800x533.jpg

Discobolos - http://i.dailymail.co.uk/i/pix/2015/03/25/01/26F3671900000578-0-image-m-49_1427245650225.jpg

Architectural orders - https://i.pinimg.com/originals/90/60/a1/9060a1d003cdf41c65888c06fc0b4378.jpg

Salem Memorial - https://vignette.wikia.nocookie.net/harrypotter/images/2/2d/Salem_memorial.jpg/revision/latest?cb=20160426150422

Surealism - http://3.bp.blogspot.com/_cUuIMoP_aeE/Sap3UaW5T7I/AAAAAAAABaM/gNjFWy011tw/w1200-h630-p-k-no-nu/departure-of-the-winged-ship.jpg

Dadaism - https://www.dadart.com/dada-media/galaxie-dada-p.jpg

View from Mount Holyoke - https://www.smithsonianjourneys.org/tours/hudson-river-cruise/ship/

Troll Tapestry - https://harrypotter.fandom.com/wiki/Troll_Tapestry

Saturn Devouring His Son - http://art-in-space.blogspot.com/2017/12/francisco-goya-saturn-devouring-his-son.html

The Monks of Salm - https://harrypotter.fandom.com/wiki/Painting_of_sinister-looking_monks

Those Who Watch - https://thevirtualinstructor.com/how-to-paint-eye-watercolor.html