At 8.3 x 11.7" (210x297mm), A4 paper is slightly narrower and a little longer than "A" size 8.5 x 11" paper (216x279mm). The A4 is part of the ISO "A Series," where A0, the first dimension ...

that sits above an abyss There are no swings or slides. After all, it's only the size of two sheets of A3 paper. But there is a bench. Welcome to the world's smallest park, as declared by Guinness ...