If a specific post was interesting or useful to you, we recommend that you Like that post. It tells the post author, and others, that you found the information valuable. Clicking Like is another way to let others know that you enjoy it without leaving a comment.
Log in to join the conversation and Like this content.
Do a forum search for "structure". There is a large archive-type thread showing a large assortment of artificial structures (cover) that ewest recently listed the link to.
