yes the landreau was inspired by building practices in his home country he grew up in togo where clay or earth houses are a common sight in many countries in africa cement this. kind of wall therefore you need to have ventilation system and stuff like this whereas if you don't i think. there's a demand for the cement concrete in industrialized nations but also in countries where affordability is a priority including in parts of africa where millions of new homes need to be built in the upcoming years. it's. our dream and of not. being able to implement the core of. africa a huge achievement for so all. the people to have. affordable safe decent and. same time sustainable accommodation. the display home is one step closer to fulfilling that dream the good trying ones will undergo further tests as the 2 scientists work to optimize their earth concrete. so off to create sounds like a good idea for the environment now let's take a look at another example for the change for the better to design in the indian ocean. as a result of climate change and the depletion of not sure resources. inde

and mitch landreau, cnn political commentator. good evening to both of you. good to see you.t with you. >> hey, don. >> there's been a ton of debate over the confederate flag in the military as well as for confederate officers. give me your reaction to this sort of de facto ban and the way esper implemented it. >> you know, overall i think that while this decision is overdue on the part of secretary esper and the department, this is a right-minded decision. look, it is -- it has always been an abomination to see the confederate flag flown on military bases, in military barracks, all over military installations, alongside flags that represent true heroes. so you know, i spent 21 years in the marine corps and serve a lot of places and got to see this flag a lot. i think from the perspective of retirees like myself and a lot of people who are on active duty in the military, i think this was the right thing to do. now i will say that, look, the military is place where rules matter. there are a lot of people in the military from the south, people who have a special tie to this fla