"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!
Bumi Parahyangan promotional poster and brochure by Rittsu, at Behance. Triangles don& seem to be popular shapes to use in graphic design, but Rittsu executes them well here. Notice the subtle arrows pointing right to persuade the viewer to read on.