Graffiti artwork, suspected to have been created by the British street artist Banksy, is pictured.
A new work believed to be by British street artist Banksy appeared near London's Marble Arch on Friday, where climate change protesters have camped out for days.
The work features a child clasping a symbol of Extinction Rebellion, the group behind the protests, crouching next to a spade and a new plant.
"From this moment despair ends and tactics begin
"I think it's virtually a certainty it's him," auctioneer Andrew Tetley told London's Evening Standard newspaper.
"It hasn't been confirmed obviously that it is Banksy yet, but clearly there's a lot of excitement," added street art fan Lindsey Solomons, 53.
"I think the message speaks for itself really, that if we don't do something about the planet clearly we're going to be in a desperate state, and he captures that so well," she told AFP.
Environmentalists used festive but highly disruptive rallies since last week to focus global attention on climate change, bringing parts of London to a standstill.
The entire campaign saw police make 1,130 arrests and press charges against 69 people.
Banksy, whose identity is known to only a handful of friends, caused a sensation in October when one of his paintings began shredding itself, just after selling for $1.4 million (1.2 million euros).
The artist has previously espoused themes such as immigration and refugees, the Palestinian cause and the yellow vest movement in France.
French art masterpieces have been renamed after their long overlooked black subjects in a ground-breaking new Paris show on the representation of people of colour in art.
A Canadian artist is building a wall of cheese near the border that separates the US and Mexico in Tecate, California, as a way of denouncing the "waste" represented by the barrier that American President Donald Trump wants to construct.
Chinese artist Ai Weiwei unveiled a new installation in Mexico that tells the story of 43 students likely massacred five years ago in a case that exposed government stonewalling and complicity in abuses, a frequent theme for the dissident artist.
Hundreds of people from home and abroad queued in steady rain in central Prague on Sunday to buy a "Zero Euro" souvenir banknote depicting Czech pop singer Karel Gott in honour of his 80th birthday.
Bollywood's queen of controversies Kangana Ranaut on Monday said her ugly outburst at a news agency journalist at an event in Mumbai last week happened because she was "fed up" with a section of journalists ganging up against her for speaking up against certain Bollywood biggies such as Hrithik roshan and Karan Johar.
Triveni Kala Sangam, a major cultural hotspot in the national capital especially known for its terrace cafe, has added its list of galleries, a unique open-air gallery dedicated to children's art.
Since Alfonso's accusations against Cortés on an Internet video programme last month, many Cubans have declared their support for her online, calling her the pioneer of the #MeToo movement in a country where open discussion of violence against women is rare.