This is Čapljina – a city of some 30,000 people with history tracing back to over 2,000 years ago. As a border city in Bosnia and Herzegovina, Čapljina is currently seeing the construction of a brand new highway to link Croatia. The highway will also link the country's capital Sarajevo and Hungary. How can such a highway help the once war-torn country improve people's livelihood? How much improvement in regional connectivity can the road offer? Mega World is on the ground to find out. Only on CGTN.