out to follow the fortunes of two companies as they fought to establish themselves in the city's 0ptics valleycated zone for new technology enterprises, it's part of the move to transform the city's economy. this is the story of some of the people who live and work in the city. and the story of wuhan before and after the arrival of the coronavirus that would change all of our lives. previously on three years in her hand, these men clashed over the direction of the company and a start—up founder struggle to raise more capital to support his struggling business. some in wuhan is intense and oppressive. the scorching heat and high humidity can continue from may until october and it is often difficult to be outside. this man has not long to deliver his project. if it goes wrong, it could mean the end of the business. in beijing, they continue to meet with potential investors. the $300,000 he received from an angel investor a year ago has almost gone. without another source of funding, they will struggle to keep going. he makes one final stop, beijing start—up street where all dot companies aspire

jishui's company is one of the, on average, 70 start—ups established a day in wuhan's high—tech 0ptics valleyle. like xu, huang tiesen has also risked a lot to set up his software company and for the first few years, finding a source of finance was a constant challenge. competition is fierce and many start—ups won't make it to their second year. for both men, the advent of coronavirus has had a profound effect, both on the way they operate their businesses and on their relationship with the city they live in. tiesen recalls a moment during lockdown. for xu, his biggest fear was how the people of wuhan would be viewed by the outside world. now, both men and their companies are cautiously learning how to navigate life on the other side of the pandemic. and you can watch ‘three years in wuhan across years in wuhan' across the weekend and next week on bbc world news. and on saturday, monday and tuesday on bbc news in the uk. let's get some of the day's other news. nato ambassadors will hold an urgent meeting on friday, after the us said it will withdraw from the open skies aerial surveillance tre