Scientists say breathing the heavily polluted air in Mexico City these days is like smoking somewhere between a quarter- and a half-pack of cigarettes a day. But that has not stopped Oscar Chong from going out for his daily workout,…
Scientists say breathing the heavily polluted air in Mexico City these days is like smoking somewhere between a quarter- and a half-pack of cigarettes a day. But that has not stopped Oscar Chong from going out for his daily workout,…