1.   The fire was apparently started on Saturday by farmers burning weeds to clear farmland on the banks of the Urubamba River, which runs below Machu Picchu.

2.   The fire was apparently started Saturday by peasants burning weeds on the banks of the nearby Urubamba river.

3.   The fire apparently started Saturday after peasants burned weeds on the banks of the nearby Urubamba River to clear farmland.

4.   The fire apparently started Saturday when peasants were burning weeds to clear farmland on the banks of the Urubamba River, which runs far below Machu Picchu.

5.   The fire apparently was started Saturday by peasants burning weeds on the banks of the nearby Urubamba river.

6.   The fire was apparently started Saturday by peasants burning weeds to clear farmland on the banks of the nearby Urubamba river.

7.   After being taken from the seabed, the weed is burnt.