The pictures show the devastating scale and impact of grass fires in the Valleys
Pictures taken over the weekend show fires raging across the landscape causing damage to wildlife and the environment.
Fire crews attended more than 70 grass fires in the space of 48 hours which could have "cost people's lives".
While thousands of people across Wales made the most of the glorious weather to go out and enjoy Wales, others took advantage of the dry weather by starting fires.
South Wales Fire and Rescue Service (SWFRS) recorded 73 fires during the period, with one spreading to the size of more than 160 rugby pitches.
SWFRS group manager Vaughan Jenkins said they received 480 calls in total from 4pm on Saturday to 4pm on Sunday, with more than 400 relating to fires.
A SWFRS spokeswoman added that from 4pm on Sunday they recorded a further 37 grass fires, with the last recorded at 5.45am on Monday.
The fires came perilously close to houses
The fires left devastated the landscape, leaving acres of black charred earth across the Valleys.
It could cost people's lives
Group manager Jenkins added that they received 89 calls to one incident which is "a massive strain" on their resources.
SWFRS Group manager Jenkins said: "One of the biggest issues is the drain it puts on our resources. If someone has a house fire or if there is a road traffic collision, then it will mean a delay in our response time.
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"We have got a lot of education at the moment to reduce them but that still needs to get through.
"I'd say to those who lit the fire, or knew who did, to think about all of the consequences of what you're doing.
"It's destroying the landscape and the wildlife – and it could cost people's lives because of the delays it causes."
SWFRS cannot yet confirm how many of the 36 fires were lit on purpose, but group manager Jenkins said the "majority" were set deliberately.
Fire crews attended more than 70 grass fires in the space of 48 hours Catastrophic Natural Disasters Mon, October 17, 2016
The world has witnessed numerous disasters over the centuries and although most are man-made due to wars and terrorism, mother nature certainly dishes out her fair share of damage.
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Crews were forced to withdraw from one incident in Treorchy which had spread to around 166 hectares, roughly the size of 160 international rugby pitches, after high winds made it too dangerous.
One fire in the Rhondda which came dangerously close to houses was deliberately set, according to the fire service.
The fires devastated the landscape
Crews were called to the scene on Penrhys at 5.20pm, where around 10 hectares were "well alight".
A SWFRS spokeswoman said the fire was deliberate and police officers will be patrolling the area.
A message sent by crews at around 6.30pm said they were being hampered by high winds and the left flank of the fire was approaching houses.
South Wales Police said on Monday that: "Grass fires put lives and property at risk and cause huge damage to our beautiful countryside."