H.WHRL whirlpool

a turbulent, rotating movement of water in a stream

39 features in 9 countries.

#	Country	Features	Share of the world
1	Finland FI	28	71.8 %
2	Belize BZ	3	7.7 %
3	Angola AO	2	5.1 %
4	Democratic Republic of the Congo CD	1	2.6 %
5	Colombia CO	1	2.6 %
6	Germany DE	1	2.6 %
7	France FR	1	2.6 %
8	United Kingdom GB	1	2.6 %
9	Comoros KM	1	2.6 %
	Total	39