Vietnam students invent air cleaning bicycle
High school students in Vietnam create a bike device that cleans the air for the cyclist.
from BBC News - World https://ift.tt/2uC4S4i
from BBC News - World https://ift.tt/2uC4S4i
google news info shows latest news, breaking news in Hindi, Samachar (समाचार) and news headlines from India, current affairs, cricket, sports.
No comments