Iranian Women Show Their Ninja Skills

World Press Photo, an independent, nonprofit organization that supports photojournalism, has once again honored the best photographers from around the globe. Here is a selection of the winning images from 2011. More than 100,000 photographs were submitted for consideration.

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Severe winter weather continues to wreak havoc across Eastern and Central Europe, as well as Central and South Asia. The official death toll in Poland has reached 62. Ukraine has reported 135 deaths. Eighteen people have died from the cold in the Czech Republic, while Hungary reports 12 deaths over the past three days. Seventeen have died in Lithuania, where a low of -31 Celsius was recorded. Authorities in Bosnia and Serbia are attempting to deliver food and medicine to thousands who have been cut off due to heavy snow.

Eighty-five-year-old Queen Elizabeth II marks her Diamond Jubilee on February 6. Elizabeth, who took up the throne after her father, George VI, died on February 6, 1952, is Britain's longest-serving monarch after Queen Victoria, who reigned for more than 63 years. A year's worth of festivities are planned to mark the Queen's Diamond Jubilee.

Snow and ice, celebrations and protests.

Russia's lively protest culture was on display on February 4 as tens of thousands of demonstrators brought signs and slogans to an anti-Kremlin rally in Moscow.

In Uzbekistan, the national game of "kopkari" is held to celebrate an occasion such as a wedding or the birth of a son. The basic objective is for a rider on horseback to get an animal carcass, a goat or sheep, into a circle or across a finish line. The prize on offer is a measure of the wealth of the game's sponsor.

Photographer Khalil Gholami of Iran's Fars news agency recently traveled to the snow-covered village of Asalem, near the Caspian Sea in northwestern Gilan Province, and brought back these beautiful images.

Midhat Poturovic of RFE/RL's Balkan Service visited a park near Sarajevo to capture the excitement of mostly young visitors interacting with creatures from "The World of Dinosaurs" exhibition. The 52 exhibits are constructed based on research by paleontologists from the Sprengel Museum in Hannover, Germany. The exhibit near Sarajevo Zoo runs from January 25-February 19.

Protests, arrests, referendums, and celebrations.

Thousands of Egyptians gathered in central Cairo on January 25, 2012, to mark the first anniversary of the mass public revolt that forced longtime ruler Hosni Mubarak to eventually resign as president. More than 800 protesters died in the unrest. Here's a look back at the 18 momentous days of the Egyptian revolution.

Millions of Asians are shooting off fireworks, sitting down to feasts, and having family reunions to mark the Year of the Dragon. The Lunar New Year that began on January 23 is the most important holiday of the year for many people in Asia. The dragon is considered the most favorable and revered sign in the 12-year cycle of beasts that appear in the Chinese zodiac.

Since coming to office five years ago, Turkmen President Gurbanguly Berdymukhammedov has sought to show off his own style of leadership -- all the way down to the color scheme. From his clothing to his carpets to the flowers that ornament his public appearances, everything in Berdymukhammedov's world is a gleaming, crystalline white. We look at Turkmenistan's own "colored" revolution.

A New York City gallery has opened its doors to an exhibit of Arab Spring-inspired photos by acclaimed Iranian-American artist Shirin Neshat.

From urban terror to ballot boxes and holy nights.