Some 12.52 million rail trips expected on Sunday as additional trains added

China is seeing a huge, in some cases record-setting, number of travelers heading home with the end of the weeklong Lunar New Year holiday－just as snow and ice are making travel conditions challenging in many areas.

Heavy snow in central and eastern parts of the country is posing the biggest obstacle to those driving back to major cities and coastal areas. Some travelers have been temporarily stranded, and icy conditions were forecast to continue well into the week in some areas.