Mark Nixon's "Chimecco," a kinetic sculpture ( by the Sea exhibition in Aarhus, Denmark.) We can hang some timber tubes/ pieces for people to interact with the installation and make music while walking through
"Vertical Landscape" by Eiko Ojala. It looks like a paper landscape but the artist actually works digitally and hand-draws all the elements to look like they're cut out of people. (Hint: the shadows help!