people are doing to protect themselves? >> reporter: yeah, that very much is what people are doing. it's basically an anti-acid mixed with water to take the sting out. you also have to remember that these aren't people experience in protesting and dealing with these kinds of situations. a lot of people that come out, especially after working hours, as nick was just saying, they are engine nears, they are bankers, it professionals. they come out after working hours to show solidarity because they feel like they have been pushed to the break. many coming up and telling us before this began, they could consider themselves to be apolitical. sure, they might go out and vote during the elections but they have never taken this stance before but feel like the government has pushed the boundaries so far that now they have to just -- they have effectively been learning as that go along how to deal with tear gas.