Laureano Mier became interested in aviation at age 8. Now 53 years old, Mier is passionate about everything aviation and ...
October 21, 2013
A man pushes a bike onto a bridge amid heavy pollution in Harbin in northeast China's Heilongjiang province on Monday. Visibility shrank to less than half a football field and small-particle pollution soared to a record 40 times higher than an international safety standard.