Peruvian authorities say firefighters have managed to control a forest fire near the Incan ruins of Machu Picchu after three days battling the flames, The Guardian reported.

The blaze near one of the world’s most famous archaeological sites broke out on Tuesday, destroying around 100 acres of land—the equivalent of about 50 football pitches.

The fire, which Peru’s culture ministry said engulfed a remote area about six miles from the spectacular high-altitude citadel, was reportedly sparked by farmers who had been clearing land to grow crops.

“We have already been fighting the forest fire for two days and it has not been possible to get it under control, given the area is quite inaccessible,” Roberto Abarca, director of the Cusco risk management and security office, told Reuters on Thursday.

But by Thursday night, Peruvian authorities announced the fire had been 90% tamed by dozens of firefighters and police officers. They claimed Machu Picchu itself had not been affected.

On Thursday, Peru’s culture ministry insisted tourist activities at Machu Picchu had not been affected by this week’s fire while no lives were reported to have been lost.