the columns that support kimura's high-rise are multilayered. the kor is a bundle of wooden material. this is encased in plaster board for protection against fire while the outside layer provides a pleasing finish. the core is designed to resist burning until at least two hours after a blaze starts. here a column is tested in a kiln heated to 1,000 degrees celsius. there is another innovation that increases durability in the event of an earthquake. iron rings are embedded in each side of the wood. these help keep the planks moving in unison if the building shakes. some visitors to the sendai i se were impressed. >> translator: the building is only a quarter of the weight using reinforced concrete. the lightness and dururability ideal for erkt quake-prone japan. >> translator: this promotes a circular equality, suits the future needs of society. >> translator: i've been working on plans for a 25-story building. japan has a long tradition of building structures from wood. i hope this can help transform the way cities are build in the future. >> re

. >> harris: as i go to melissa, i will push back a little bit on that, marie kimura lot. think they are policies are on tonight. you know why, kamala harris is tending to a guy next to 78 years old next year. and potentially if he were to win, the oldest president in office. the current president has covid-19, and again, no events on his schedule today. he's trying to recover and get well. of course, we all wish him the best. mike pence and kamala harris have to focus the spotlight on them and their records do count or not, melissa? >> melissa: i think they very much count. i think that joe biden has head every position on every issue. he has stood at the debate and in other forums. you know said he would support medicare for all even though he didn't mean that. kamala harris has stated very plainly that you want to talk about getting rid of people's insurance, that she would immediately tminate all private health care. she has said that. when politicians say something and then they go back on it and then they say something it again, you can't trust the words coming out o