english: I was there to view something called a long-duration balloon flight, which basically takes telescopes and instruments all the way to the upper atmosphere, the upper stratosphere, 40 km up.
non_english: Bio sam tamo da bih video nešto nazvano dugački let balonom, koji ponese teleskope i instrumente sve do gornje atmosfere, do gornje stratosfere, do 40 km visine.