Thousands of scrapped taxis are pictured at a yard in the center of China's Chongqing city on March 4. Traffic congestion and pollution have worsened dramatically in Chinese cities as the country's long-running economic expansion has allowed increasing numbers of consumers to make big-ticket purchases such as cars. China may surpass the US this year to become the largest car market in the world. AFP/Newscom
The destruction of Korean Air Lines Flight KAL007 by a Soviet fighter jet off the coast of Sakhalin Island on Sept. 1 1983 nearly triggered an international crisis, much as the disputed destruction of Malaysia Air Flight MH17 near the Russia-Ukraine border risks doing today.