In 1909, the tournaments were moved into the original Ryōgoku Kokugikan, a modern arena in the temple precincts that had a capacity of 13,000 spectators and that was nicknamed as the Great Iron Umbrella.
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The current Ryōgoku Kokugikan arena is located only about 400 meters from the temple.
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After World War II, sumo tournaments moved to various venues in Tokyo and then to the Kuramae Kokugikan arena in Taitō, Tokyo before returning to the Ryōgoku district in 1985.
There is also an admixture of other pioneer settlers collectively known as the Ekos.
Artists from 21 countries participated with fifty-eight sculptures from various artists like Anthony Caro, Jean Tinguely, Anthony Gormley, Marcel Pinas, Salvador Dalí, Ryas Komu, Lu Shengzhong, Eko Prawoto, Thomas Houseago, Jaume Plensa, Atelier van Lieshout, Subodh Gupta, Yayoi Kusama, Jean Dubuffet, Rodin, Dennis Oppenheim, Ugo Rondinone, Joost Conijn etc.
In the episode "The Last Recruit," the Man in Black reveals to Jack that he had been impersonating as his father in a similar way to how he now impersonates Locke and how he impersonated Mr. Eko's brother, Yemi, revealing that at least some, if not all of Christian's appearances on the island post-death were the Man in Black.
On 21 February 2013, a dedication ceremony was held at the reclaimed land of Eko Atlantic, with Goodluck Jonathan, Bill Clinton, Babatunde Fashola and Bola Tinubu attending.
Victor Anderson, the blind poet and founder of the Feri Tradition, claimed that Eko is Basque, meaning "here is".
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Another variant of the chant expanded the Eko, eko opening to four lines, using these words to salute various Wiccan deities, typically Cernunnos and Aradia.
Known posthumously by his Buddhist name Butsujo Zenji, Eko was a member of the Five Mountains Zen literary school.