While the Beijing Olympics encountered freezing temperatures reaching minus 28 C at skiing competition venues, the Paralympics are facing the opposite issue -- the risk of snow melting due to the arrival of warmer weather.Skiing on home turf, Chinese para Alpine skier Liu Sitong has won two bronze medals in women's sitting events in Beijing so far, but said the condition of the snow was not as good as at the start of the games."You see a lot of athletes have failed to finish. It's because this type of snow is still different to what we're used to skiing on," said Liu.The rising temperatures…READ FULL ARTICLE