Traditionally, live-streamers (主播) sell delicious snacks or local goodies.    1     a recent live-stream event in Tibet autonomous region did something different. Waste plastic bottles, often     2     (regard) as a great damage to the local environment, were sold for 0.5 yuan each, with the    3     (intend) of raising people’s awareness of Tibet’s pollution issue.

In 2019, about 40 million    4    (tourist) visited Tibet, which in consequence left   about 360 million plastic bottles abandoned in branches, on cliffs and in rivers. The white pollution is     5     serious threat to the local ecosystem and the local animals, such as   yaks.

Over the past few years, more than 5,000 volunteers    6     (participate) in the   anti-white pollution campaign. They carry out over 2,000 clean-ups to collect 200, 000 bottles left by tourists each year. Then the bottles were sorted by color and shipped inland to make raw materials.    7     (rough), each bottle costs about 0.5 yuan.

The livestream has successfully involved more people    8     the anti-white pollution campaign (运动), and    9    they have done really makes a difference. It’s really a meaningful event and helps to make it possible for    10     (we) human beings to live in   harmony with nature .