imran: i want to thank all our guests, dmitry babich, hanna shelest, and ben aris. thank you, too, for watching. you can see the program again anytime by visiting our website, aljazeera.com. and for further discussion, go to our facebook page, that's facebook.com/ajinsidestory. and you can also join the conversation on twitter. our handle is @ajinsidestory. from me, imran khan, and the whole team here, bye for now. ♪ - narrator: major funding for this program was provided by exxonmobil. additional funding was provided by the scharbauer foundation and the rea charitable trust. [gentle music] - e network of playas we drive past all the time and don't pay any attention to. - they're very resilient in a very hostile environment. [rattling] - loren smith: they're so dynamic. they can change so quickly. - cook: you can come out here and you think this is totally devoid of life. - smith: then when the playa become wet, it's boom!