. >> when we were negotating with the companies, mozambique first had to establish a reputation as aecure investment location. and that meant making concessions, of course. if the mozambique government suddenly changes the rules after making these compromises, that would send a very poor message. we also need investment in other sectors. if we go back on our word, what would they think? >> but the coal boom is transforming some areas of the region. the provincial capital of tete has grown from a sleepy village to a regional powerhouse with more than 180-thousand residents. the transformation is also visible in the city's largest market. once the market sold mainly fruit and vegetables. these days, though, all sorts of goods are sold here. george azibu shows us his stand. back at home in neighboring malawi, he was unemployed. here in tete, business is thriving. >> the money i receive, i use to buy commodities there in malawi. so my life is now changing just because i can afford some commodities i was lacking before. so i've just even bought some shoes i didn't have before and now i ha