Nice to meet you!

 Hello!

I am Kayoko Sakaguchi.

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Freetown

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     Hello, everyone! Today, I'll introduce 'Freetown', a city which is located in Sierra Leone. I knew this city in TED daily talks. The speaker was Yvonne Aki-Sawyerr, who has been the mayor of the city since 2018.           She talked about her plan to plant a million trees on her city in next two years . Can you imagine why has she been planning such project?... The reason why she wants to plant so many trees comes from her own experience. As a matter of fact, she had been not interested in such environmental movement at all before December 2015. 2015 was the last year of the Ebola outbreak, so she could notice what happened to environment in Freetown after the outbreak.     She noticed that a lot of lush forest which had been in Freetown were disappeared because of climate change and deforestation to make people's houses. Also, there is a massive landslide in August 2017 in her city. She took it all in (it means that she under...
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How to Sleep Well

     Hello, everyone! Today, I'll introduce about quality of sleep. Do you sleep well these days? I think that you sometimes cannot even though you know it is important to sleep because of some problems. However, you can get the same effects any time as 7 hour's sleep if you improve your quality of sleep. On the contrary, if you are sleep despite of your long time sleep, you maybe cannot recover from physical and mental tiredness.     Thus, I will explain how to improve our quality of sleep in following sentences. There are 6 significant points.     First, we have to know our own good sleeping time. Have you ever heard "REM Sleep" and "Non-REM Sleep"? If we can wake up during REM Sleep, we can get up comfortably. Also, REM Sleep appears every 90 minutes, so it is good to decide our sleeping time to 4.5 hours, 6 hours or 7.5 hours.      Second, we should not eat anything from 3 hours before we sleep. This is because if we take food, the f...
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Could humans live in underwater city?

     Hello, everyone! Today, I'll introduce a podcast which I watched. The title is 'Could humans live in underwater city?'     In this podcast, whether we human try to live in the sea and what problems are of living in underwater are explained. First of all, there is a project to live under the sea, and Japanese team is leading it. One of the member of the project team said that it is our purpose to solve environmental problems like lack of natural resources. At seabed, there are a lot of resources, for example, oil and shale gas. He insist that if we can use the resources, we will not have to suffer from shortage of it on the ground.      However, there is mainly one big physiological problems when we live in underwater city. First problem is that we have to worry about the bends, a disease caused by the differences of atmospheric pressure between on the ground and under the sea. Because of the bends, even ex-military person could live in underw...
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