Mouth of Flower - Octavio Ocampo This is good art because it is an optical illusion. It could either be just some flowers with a butterfly, or you can also see a woman's face. It is very creative in a subtle way.
Stunning Nature Photography Collection the different colours of the flowers and trees with the sunlight are good for showing sight. touch could be represented by close up photos of leaves, petals or bark to show the texture.
Is Water Invisible and Disconcerting to Dementia Patients? Water is nearly invisible and disconcerting to the typical Alzheimer's patient. They don't like to drink it, and they don't like to get in it.