Development process of a tricky 700pcs jigsaw puzzle

 Last week I started assembling a 700pcs. jigsaw puzzle of a series I collected many years ago: 

National Geographic by MB

 The puzzle pieces are usually cut with the picture side facing up. This series is different: the print is on the back, resulting in a completely flat picture—without the typical cut lines. The disadvantage: the tabs become damaged with frequent use.

This one is called "Bengal tigress with cub" - Poster included with a geographical map of the distribution and original habitat of the Bengal tiger.

The Bengal tiger is a population of the Panthera tigris tigris subspecies. It ranks among the largest of wild cats. It is distributed from India, southern Nepal, Bangladesh, Bhutan to Southwestern China.

and here we go....