Sébastien Duval
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sebastienplus.bsky.social
Sébastien Duval
@sebastienplus.bsky.social
20+ years in Japan, now in Tokyo. I develop regenerative tourism, and enjoy unique Japan, rejuvenating hot springs, and delicious vegan cuisines! French & Japanese OK too.

https://linkedin.com/in/sduval/
🧵14/ I wanted to visit it for years! Former world №1, #Fukushima Hydrogen Energy Research Field in #Hamadori produces up to 2,000N㎥/h #GreenHydrogen for locals, Sendai and Tokyo from its 180,000㎡ solar farm. #Japan significant asset in the #ClimateCrisis fight, its challenge is now scaling adoption.
November 22, 2025 at 2:14 AM
🧵13/ Rice Resin's production is simple & energy-efficient. #Rice becomes resin granules in 2 minutes over metres, cutting CO2 emissions by 40-57%! Major uses: Mos Burger cutlery (1,311 restaurants in #Japan), garbage bags… Visit the factory and partner/invest; foreigners are welcome! #Sustainability
November 22, 2025 at 1:07 AM
🧵12/ During our #PressTour in #Hamadori, Rice Resin's approach to community support and #sustainability moved me: making resin from #Fukushima rice and #Japan old emergency #rice stocks that consumers shun 🌾 Use them (50% capacity) for hard-to-phase-out plastic: medical devices, rice ball wrappings…
November 22, 2025 at 12:40 AM
🧵11/ Innophys' exoskeletons/supporters are notably used at farms & waste treatment sites in #Japan (+ rented to the public), warehouses in France, nursing homes in northern Europe… Its main challenge? Making exoskeletons lighter and more compact. Its ongoing #R&D? Rehabilitation suits! #TechForGood
November 21, 2025 at 10:49 PM
🧵10/ Innophys shined during our #PressTour! We even tried their Muscle Suits for lower-back support and saw quality control tests at #Hamadori factory. Supported by #FICF, their tech is already in 20 countries (35,000 units sold). My PhD thesis was on smart clothing so this #innovation felt special!
November 21, 2025 at 10:35 PM
🧵8/ The #Fukushima #Robot Test Field in #Hamadori impresses: 1,316 tests since 2017 using its plant, houses, bridge, tunnel, debris, runway, 13km flights over land/sea… Surprisingly, no cameras in water tanks and no night testing despite #Japan Self-Defense Forces #disaster response training here 😮
November 21, 2025 at 10:12 AM
🧵2/ Creating a high-tech industrial hub after the 2011 disasters (M9.1 earthquake + tsunami + nuclear), #FICF Fukushima Innovation Coast Framework is an ambitious long-term national project led by FIPO in #Hamadori (east coast of #Fukushima prefecture) 🗾 Our #PressTour started with its intro. #Japan
November 20, 2025 at 11:47 PM
🧵14/ Most tourists in #Osaka overlook the 12x6m 120t Octopus Stone quarried 100km away in Okayama. However, #archaeoastronomy enthusiasts scrutinize its granite and get photographed with it! You may also discover it during a #HistoryTour of Osaka Castle, built in 1583 and used until WW2 🏯
November 16, 2025 at 12:06 AM
🧵13/ Gods' unfinished palace? 7x6x6m 450t Ishi-no-hoden Floating Rock in #Takasago is 1 of 3 #Japan mysterious wonders. #Archaeoastronomy travellers reported heat, tingling… 1,700+ y.o. national historic site with Tatsuyama Stone Quarries used to build the Imperial Palace, Parliament, Himeji castle…
November 15, 2025 at 9:13 AM
🧵12/ The mysterious Masuda Iwafune megalith feels timeless & peaceful! 2023 tour members even meditated here 🧘‍♀️ Due to scarce info even in Japanese, this 11x8x5m 800t stone in #Kashihara is perfect for #archaeoastronomy tours 🪨 In a hilltop bamboo grove after uneven earthy steps, it is truly special!
November 15, 2025 at 7:03 AM
🧵11/ Japan's largest megalithic structure, tomb mentioned (?) in 1,300 y.o. Nihon Shoki, Ishibutai fascinates. Our #archaeoastronomy group scrutinized it, schoolkids on a #HistoryTour accompanied us in the burial chamber… Another must-touch in #Asuka! Ethereal with autumn leaves or cherry blossoms 🧚
November 14, 2025 at 4:56 AM
Asucome Macrobiotic Gohan Café Meguru's owners prepared our lunch with love from newly harvested rice and vegetables picked hours ago at their organic farm. Almost art: delicate carrot tempura. Even their sweet potato tart was homemade. In Asuka near #Archaeoastronomy sites. #VeganJapan #VeganAsuka
November 12, 2025 at 1:36 AM
🧵10/ Unexpectedly, members of our #Archaeoastronomy #HistoryTour group bought many many small souvenirs in #Asuka to decorate their Christmas trees 🎄 They are indeed cute 🙂 #JapanTravel
November 12, 2025 at 1:05 AM
🧵9/ City staff explained the stone tortoise at Sakafune-ishi ruins, mentioned (?) in 1,300 y.o. Nihon Shoki (Chronicles Of #Japan). The sand-filled rectangle filtered spring water into the turtle 🐢 Exciting during a #HistoryTour; #Asuka locals hope @unesco.org soon registers it as a World Heritage!
November 11, 2025 at 10:23 PM
🧵8/ Sakafune-ishi stonework remains mysterious: did ancient Japanese fill it with water/alcohol to reflect & study stars, create medicine, …? In a hilltop bamboo grove of Asuka village, its carved granite feels surreal ✨ #Archaeoastronomy enthusiasts and empaths I guided told me it's a must-touch!
November 11, 2025 at 12:19 PM
Amazed at my first bite 🤯 This well-toasted vegan bagel (hummus, mushrooms, pink peppercorns) at Cafe Ausgang in #Kyoto might be my best ever 🥯 The room is unique & beautiful, and the music creates a peaceful, magic bubble. Coffee was good too ☕ A must-taste spot! #VeganKyoto #JapanTravel
November 10, 2025 at 4:44 AM
A pleasure of late walks in #Kyoto is seeing the illuminated lanterns of Yasaka Shinto Shrine (free, in Maruyama Park). The names on the lanterns are donors’. #八坂神社 #JapanTravel
November 9, 2025 at 11:37 PM
🧵7/ In #Kyoto, 1,250 y.o. Kiyomizu-dera Buddhist temple is beautiful with #autumn leaves nowadays. The wooden structure was built without nails, and can be photographed from the bottom (I also took a vertical photo of our group there). #清水寺 #JapanTravel #Architecture
November 9, 2025 at 11:24 PM
Inclusive & tasty lunch in #Kyoto at Nishiki Market Alley By Moon And Back 🍜 Japanese Curry #VeganRamen, #GlutenFree rice noodle option, wagyu soy #ramen… Great for travel agencies: English-speaking Japanese owner (tattooed), many seats (new ➡️ not packed), cooking visible counter-side… 👍🏻 #VeganKyoto
November 9, 2025 at 11:07 PM
🧵6/ Rainy 08:30 at #Kyoto Fushimi-Inari Grand Shrine, head of 30,000+ shrines, to feel #Shinto power through Inari (god of rice 🌾 with fox messengers 🦊). Immediate rewards: rare encounter with shrine maidens & priests, crowdless group photo at the torii gates tunnel, wish-come-true lucky charms… ⛩️⛩️⛩️
November 9, 2025 at 3:01 AM
Back to #Kyoto Engine Ramen to introduce real #ramen to a French traveller! I savoured #VeganRamen "Kyoto Beaning" + extra noodles; he got the standard one + extra mushrooms. His verdict: excellent, broth in France is nowhere as good! Will he move here to enjoy more real #JapaneseFood? 🙂 #VeganKyoto
November 8, 2025 at 1:39 PM
🧵2/ The chef of Grains (Miho's Kitchen) makes her #PlantBased eel & chicken from scratch using local soy & konjac 🌿 She sells this foundation as "okacon". #VeganNagoya #VeganJapan
November 8, 2025 at 1:32 PM
🧵1/ Exceptional #vegan & #GlutenFree lunch at Grains (Miho's Kitchen) in Nagoya with red miso soup, unagi-don eel on rice (first time I tried vegan eel ✨), karaage fried chicken (taste close to the real thing + soft chicken texture), matcha or chocolate doughnuts… 😋 #VeganNagoya #VeganJapan
November 8, 2025 at 1:23 PM
🧵5/ At Kanayama Megaliths, a local journalist interviewed us (maybe the only tour without Japanese visitors for years!), and Deïmian bought Tokuda-san & Kobayashi-san’s new #archaeoastronomy signed book in English/Japanese. Fun fact: I’m on 1+ photo of the book (as 2023 #HistoryTour guide here).
November 8, 2025 at 12:58 AM
🧵4/ At Kanayama Megaliths deep in #Gifu mountains, Tokuda-san & Kobayashi-san showed/detailed 4,500 y.o. sun/stars observation points, calendar systems that they noticed & unearthed 28 years ago: solstices, equinoxes, midpoints, leap years (!)… unaffected by #Japan many earthquakes 🌋 #HistoryTour
November 7, 2025 at 11:41 PM