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.

New heliport of the university hospital of Aachen
Source: from Wikipedia photographer Sascha Faber

January 15th is Martin Luther King Jr.'s birthday, 1929