Kirifuri Waterfall at Kurokami Mountain in Shimotsuke (Shimotsuke Kurokamiyama Kirifuri no taki), from the series A Tour of Waterfalls in Various Provinces (Shokoku taki meguri) — jigsaw puzzle
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Comes together on its own●○○○○About 0% of pieces have a near twin
Measured from the picture: how many of its pieces look like other pieces. A wide stretch of sky or water takes far longer than a crowded street at the same piece count.