- In the basement of the apartment building there is a wall where people put their feet against the wall and leave marks.
- Gastropoda (Wikipedia)
Gastropods (/ˈɡæstrəpɒdz/), commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (/ɡæsˈtrɒpədə/).
