While the Dragon Bravo Fire has burned more than 123,000 acres, much of the surrounding national park remains open. Here’s the latest.

A month after a wildfire erupted at the edge of the Grand Canyon, US firefighters were struggling Monday to bring the blaze under control.

The Dragon Bravo Fire prompts community meetings in Fredonia and Page as 1,202 personnel fight the 123,171-acre blaze.

Pyrocumulus clouds, otherwise known as flammagenitus or “fire clouds,” develop due to “convection initiated by heat from forest fires, wildfires or volcanic eruption activity,” according to the World Meteorological Organization.