长春冰雪新天地将于2月28日关园，现可免费入园

Group 1 - The core point of the article is that Changchun Ice and Snow New World will end its operations for the season on February 28 due to rising temperatures, ensuring the safety and experience of visitors [1] - The park will allow free entry until the closing date, and unused tickets can be fully refunded [1] - From February 26 to 28, the park will host nightly performances including fireworks, iron flower shows, and fire pot performances, culminating in a large fireworks display on February 28 [1]