An anti-government protester sits on the ground in front of police during a demonstration in Sarajevo February 6, 2014. Hundreds of people turned out in solidarity in the capital Sarajevo, with teenagers throwing eggs and stones at a government building and fought with police. Four officers were taken to hospital, officials said. (Photo by Dado Ruvic/Reuters)

Student, Shoukria positions a stone for cutting at the Turquoise Mountain Gem cutting class on May 18, 2011, in Kabul, Afghanistan. The mineral resources of Afghanistan are relatively unexplored even with Afghanistan's mineral wealth of coal, copper, gold and iron ore, with precious and semiprecious stones, including high-quality emerald, lapis lazuli, red garnet and ruby. Given the country's remote and rugged terrain, on-going instability plus an inadequate infrastructure and transportation means that mining is still difficult. While many are trying to bring positive changes, Afghanistan's mining industry uses unregulated, primitive methods and outdated equipment. (Photo by Paula Bronstein/Getty Images)

Revellers shield themselves as they celebrate in the rain near Stonehenge stone circle, despite official Summer Solstice celebrations being cancelled due to the spread of the coronavirus disease (COVID-19), near Amesbury, Britain, June 21, 2020. (Photo by Toby Melville/Reuters)

Undated handout photo issued by Carhenge Glastobury of the Carhenge installation by artist Joe Rush, on the site of Glastonbury Festival at Worthy Farm in Somerset. Made of 24 vintage cars erected in the centre of the festival, the installation emulates the ancient stone structure at Stonehenge. Issue date: Tuesday, June 20, 2023. (Photo by Matt Cardy/PA Wire Press Association)

A visitor interacts with deer at Nara Park in Nara on January 27, 2025. As peckish deer chase delighted tourists in Japan's temple-dotted Nara Park, a quiet but dedicated team of litter-pickers patrols the stone paths, collecting plastic waste that threatens the animals' health. (Photo by Philip Fong/AFP Photo)

An injured fan is helped by a riot policeman during clashes between Red Star Belgrade and Partizan Belgrade fans in the stadium before the teams' Serbian Superliga soccer match in Belgrade, April 25, 2015. Serbian league leaders Partizan Belgrade held champions and bitter city foes Red Star to a 0-0 draw in a derby match marred by bad crowd trouble before kickoff on Saturday. The start was delayed for 45 minutes after home Red Star supporters pelted riot police with seats and flares, forcing officers to retreat from the north tier that houses the club's diehard fans. (Photo by Marko Djurica/Reuters)

For our latest mission, we put a Carnegie Hall orchestra in the middle of New York City and placed an empty podium in front of the musicians with a sign that read, “Conduct Us.” Random New Yorkers who accepted the challenge were given the opportunity to conduct this world-class orchestra. The orchestra responded to the conductors, altering their tempo and performance accordingly. This project was a collaboration with Carnegie Hall and Ensemble ACJW.

A Palestinian youth throws a stone at an Israeli military vehicle during an Israeli army raid in the Balata refugee camp near the West Bank town of Nablus, Saturday, May 13, 2023. the Israeli military raided the Balata refugee camp in the northern city of Nablus, sparking a firefight that killed two Palestinians. (Photo by Majdi Mohammed/AP Photo)