is steven allen. good, let me start with you in berlin. so the us secretary of state, back in the region for the 3rd time since october, the 7th. all you seeing at all a shift in the us position? yes, i am actually, it's not a major shift, but there has been shifted emphasis. the emphasis is on pushing israel to make sure she might of turn a gets into gaza and that there would be pauses, at least for hostage releases. so that is a shift. i think the americans are obviously listening to criticism coming from other parts of the world. they're very worried about their own interest in the region, and they're worried about designs interest in doing the region and they are urging, as well as the house, i must say, from the beginning to be very careful about civilian casualties. and whether that urging is affected or not. it's for others to judge. ambassador loading stephen arlington says they seems to be a shift in the us position. but israel doesn't appear to be in the mood right now. it seems to entertain any talks of a cease fire. is there a

allen, thank you so much, this is brilliant. now, let's pass over to my colleague steven jiang in beijing. stephen? >>> thanks pamela, we are at the richer school of beijing. and they have a very diverse student population here at these 10:11 year old students behind me coming from some 15 countries. but, for most of them there is one thing in common, though, they are city kids. but, already, the, they are learning that even sprawling metropolises like beijing are more than just bustling city streets. it also has farms, rivers, and with a lot of bio diversity. so, what are you trying to show? >> this is the map of beijing. and we think that we can at some wildlife corridors from the mountains to the middle of beijing. >> reporter: for all of them it's not much of a debate in terms of climate change because in them already experienced the negative impacts firsthand. a think they're trying to show it here. what is this? >> this is something that we've been making in humanities. and this is a 3d model of settlement in a coastal region. >> as you can see, it is very prone to