House-sized boulder blocks highway in Zion National Park
![House-sized boulder blocks highway in Zion National Park](http://bloximages.chicago2.vip.townnews.com/gazettetimes.com/content/tncms/assets/v3/editorial/8/54/8541eebf-1c0b-5903-906a-7cd55145989f/57aca14ff1cc9.image.jpg?resize=300%2C225)
ZION NATIONAL PARK, Utah (AP) — A boulder the size of a house tumbled onto a highway in Utah's Zion National Park after a major thunderstorm, partially closing the roadway during the popular summer season.