and annette is part of rio urbano. nice to meet you. lovely to meet you, annette. you for having me. so, what are you up to? well, i'm cleaning the river. you want to help? yeah, sure. wow. i'll be honest, i didn't expect to be doing this... ..when they said, "come to costa rica." this simple filter helps trap pollution and rubbish, making it easier to clean the river. qasa laughs nearly went then! 0h! oh, god. 0h. look at this. 0h. annette, how am i doing? you're going great. you need to aim for a little more. a little bit more. 0k. i need to get my hands dirty, don't i? that's the thing. roberto, what are you doing just standing there? come on! oh, yes. yeah, roberto, it seems like there's a proper ethos here for looking after this country, this environment. yes. i don't know if you have heard the expression in costa rica, pura vida. pura vida? what's that? well, pura vida in english is literally "pure life". pure life. every costa rican use that expression. it's also like a way of life. we try to be a greener country, but we need to do more in order to be greene