A couple kiss in front of a barricade set on fire by demonstrators during clashes with police following a protest condemning the imprisonment of rap singer Pablo Hasél in Barcelona, Spain, on Feb. 18, 2021. Hasél was convicted of insulting the Spanish monarchy and praising terrorist violence. (AP Photo/Emilio Morenatti)
“Some say the world will end in fire,” wrote the poet Robert Frost -- and for much of 2021, Associated Press photographers captured scenes of a world ablaze, amid rumblings of ruin.
In New Delhi, a man sprints amid the funeral pyres of COVID-19 victims -- too many fires, too much heat, too many victims. On a beach near the village of Limni, Greece, the horizon is lit by the flames of wildfires raging across the eastern Mediterranean.
And at La Palma in the Canary Islands, the inferno is in the Cumbre Vieja volcano. But more than 10,000 million cubic meters of ash turn the world into a negative, with black ash taking the place of white snow.
Not all of the combustion is so literal.
A migrant is comforted by a member of the Spanish Red Cross at the Spanish enclave of Ceuta near the border of Morocco and Spain, on May 18, 2021. (AP Photo/Bernat Armangue)
A penguin swims in an enclosure housing gentoo and chinstrap penguins at Mexico City's Inbursa Aquarium on Jan. 13, 2021. (AP Photo/Rebecca Blackwell)
Police with guns drawn watch as rioters try to break into the House Chamber at the U.S. Capitol in Washington, on Jan. 6, 2021. (AP Photo/J. Scott Applewhite)
emeni fighters backed by the Saudi-led coalition ride on the back of an armored vehicle as they leave the front lines of Marib, Yemen, on June 19, 2021. (AP Photo/Nariman El-Mofty)
A house is covered by ash from a volcano that continues to erupt on La Palma in Spain's Canary Islands on Oct. 30, 2021. (AP Photo/Emilio Morenatti)
Plastic bottles and other garbage float in Potpecko lake near Priboj, in southwest Serbia, on Jan. 22, 2021. (AP Photo/Darko Vojinovic)
A health worker prepares Pfizer's COVID-19 vaccine at the National Kidney and Transplant Institute in Quezon City, Philippines, on Nov. 17, 2021. (AP Photo/Aaron Favila)
President Joe Biden speaks to reporters on the South Lawn of the White House in Washington after returning from a trip to Cincinnati, on July 21, 2021. (AP Photo/Susan Walsh)
Birds fly over a man taking photos of the exposed riverbed of the Old Parana River, a tributary of the Parana River, during a drought in Rosario, Argentina, on July 29, 2021. (AP Photo/Victor Caivano)
A girl plays inside a classroom where her family is staying at a school-turned-shelter for those displaced by the 7.2 magnitude earthquake in Les Cayes, Haiti, on Aug. 18, 2021. (AP Photo/Fernando Llano)
An Ultra-Orthodox Jewish man from the Kiryat Sanz Hassidic sect prays on a hill overlooking the Mediterranean Sea during a Tashlich ceremony in Netanya, Israel, on Sept. 14, 2021. Tashlich, which means "to cast away" in Hebrew, is the practice in which Jews symbolically "throw away" their sins by throwing a piece of bread, or similar food, into a large body of water before the Jewish holiday of Yom Kippur. (AP Photo/Ariel Schalit)
Children jump over a puddle of water as they play during a rainstorm on a street in Barcelona, Spain, on Sept. 18, 2021. (AP Photo/Emilio Morenatti)
A man climbs a steep ridge with a basket of coal scavenged from a mine near Dhanbad, India, in the eastern state of Jharkhand, on Sept. 24, 2021. A 2021 Indian government study found that Jharkhand state, among the poorest in India and the state with the nation’s largest coal reserves, is also the most vulnerable Indian state to climate change. (AP Photo/Altaf Qadri)
Migrants sit on the deck of the Sea Watch-3 rescue ship in the Maltese search and rescue zone on Oct. 19, 2021. In the prior two days, the ship had rescued 412 migrants from seven different boats in distress and was asking for a safe port to disembark them. (AP Photo/Valeria Mongelli)
A voodoo pilgrim bathes in a waterfall believed to have purifying powers during an annual celebration in Saut d' Eau, Haiti, on July 16, 2021. (AP Photo/Matias Delacroix)
A train passes a railroad crossing that is surrounded by floodwaters from rain and melting snow in Nidderau near Frankfurt, Germany, on Feb. 3, 2021. (AP Photo/Michael Probst)