On-Line Jigsaw Puzzles

This puzzle has 48 pieces in classic puzzle piece shapes.  However, it can be adapted from 6 to 247 pieces with a variety of types of puzzle pieces. To do this, click on the shapes button and choose the type of shapes and number of pieces.

Cueva de los Verdes, Canary Islands, Spain
Source: from wikicommons

October 24th is United Nations day.