Tanka and haiku theming "hanano" (, lit. This is evident in his approach to both haiku and "tanka". Today there are many circles of tanka poets. He also wrote on reform of "tanka" poetry. Among the 21 Imperial Anthologies, 19 contain Buddhist "tanka" (lit. Prior to 1890, traditional religious beliefs included Wakan Tanka. The name comes from the Dakota Sioux "mni tanka", meaning "great water". Some Tanka children were enslaved by Portuguese raiders. Both the Tanka and the Cantonese speak the Cantonese language. Tanka are still widely written today. Bengal became the stronghold of the tanka. Masonry was unknown by the water dwelling Tanka. A group of 1898 "tanka" by him mention the sport. Always there is plenty to see, as the Tanka. Macau native people are known as the Tanka.