andrew stevens explains. reporter: unending protests defining the summer in hong kong as demonstrations continue for more than two months. for a fifth straight day, protesters are occupying the city s busy airport. in the past two days, thousands have jammed into the terminal. the protests monday forced the 8th busiest airport in the world to shut down after demonstrators staged a massive sit in. the conflict started back in june when more than a million people took to the streets to oppose legislation that would have allowed people of hong kong to be extradited to mainland canine. b china. it has evolved into a broader movement against beijing s power and influence over hong kong. since then, aggressive clashes between protesters and police have become more frequent. breaking down doors to government billiouildings, stop traffic and fighting back. demonstrators are continue to fight for free and fair