Bubble insulation SARAH CHEA SARAH CHEA Published January 29, 2023 - 5:11 p.m. Make us preferred on Google A passerby walks by a cafe with its windows covered with bubble wrap to reduce heat loss, in Seoul on Sunday. The sharp hike in gas prices is hitting Koreans hard as they get their first household gas bills of the winter season. YONHAP gas business korea industry Make us preferred on Google
![A passerby walks by a cafe with its windows covered with bubble wrap to reduce heat loss, in Seoul on Sunday. The sharp hike in gas prices is hitting Koreans hard as they get their first household gas bills of the winter season. [YONHAP]](https://image.koreajoongangdaily.com/10916413.webp?imageId=10916413&width=960&height=652&format=jpg)
