narrator: in between takes for the pr video, andreas christmann takes a moment to talk with us. re you satisfied? andreas: well, of course. i'd be satisfied with quality like this anytime. even more so because i know it's for us. we've already bought it. narrator: tchibo looks beyond the beans to the way they're grown, with as little use of chemicals as possible and no destruction of the rainforest. andreas christmann is here to get a first-hand look. the finca is trying to earn a seal for sustainable farming. that means not only does it have to observe environmental standards, it has to pay its workers a decent wage and provide them access to education and proper quarters. they proudly show off the coffee pickers' new dormitories. tchibo currently purchases about 10% of its coffee from sustainable farming operations. it has a set of minimum requirements for its suppliers. andreas: we'd like them to respect points in line with our company policy and the times in general. as i said, we'd like them to observe certain rules. for instance, putting in shade trees, or rejecting child l