2 sentences

1. 春运期间，火车票往往一票难求。

   chūn​yùn qī​jiān, huǒ​chē​piào wǎng​wǎng yī piào nán qiú.

   During the Spring Festival travel rush, train tickets are often very hard to get.

   Source: Dong Chinese Dictionary

2. 春运期间，火车站的客流达到了顶峰。

   chūn​yùn qī​jiān, huǒ​chē​zhàn de kè​liú dá​dào le dǐng​fēng.

   During the Spring Festival travel rush, passenger flow at the train station reached its peak.

   Source: Dong Chinese Dictionary