Finished 6th August 2017 (early morning CET)

 500 Pieces

Shanghai, China

31° 14′ N, 121° 28′ O

(by Shutterstock)

A Trefl Jigsaw puzzle

The island depicted is Pudong in the east of Shanghai.

Shanghai, most important industrial city of China and one of the biggest cities worldwide (15+8 million inhabitants). The building that looks like a bottleopener is the "Shanghai World Financial Center" - on the lef you can see the Oriental Pearl Tower.

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assembled during the marathon within 4.5 hours