A runner taking part in the 38th Annual Empire State Building Run-Up is pictured arriving on the 86th floor in the Manhattan borough of New York February 4, 2015. (Photo by Carlo Allegri/Reuters)

Schick Hydro and Chanel Iman get guys #NakedFaced at the Schick Hydro Barbershop at The Sports Illustrated Swim City Event on February 9, 2015 in New York City. (Photo by Ilya S. Savenok/Getty Images for Schick)

Artist Vik Muniz is known for his gigantic composite installations and sculptures created from thousands of individual objects. In this new collaboration with artist and MIT researcher Marcelo Coelho, Muniz takes the opposite approach and explores the microscopic with a new series of sandcastles etched onto individual grains of sand.

Meet the star students of orangutan school – the unique rehab centre where orphaned apes are taught how to climb trees and survive in the wild without their mum and dad. (Photo by Caters News)

Revelers celebrate the Indian festival of Holi on a boat cruise around part of Manhattan on March 17, 2012 in New York City. During the Hindu festival of Holi, also known as the Festival of Colors, which marks the arrival of spring, participants throw colored powder and water on one another. Many of the New York participants are Indian-American. (Photo by Mario Tama/Getty Images)

(L-R) Diana, Renata, Marina, Sveta and Anastasia of the Showtime reality show “Russian Dolls” visit “The Chaunce Hayden Show” on GFQ Network at Sapphire New York on August 17, 2011 in New York City. (Photo by Theo Wargo/Getty Images)

Team McLaren Mercedes drivers Lewis Hamilton (L) and Jenson Button unveil the new MP-27 Formula 1 car at the McLaren technology centre on February 1, 2012 in Woking, England. (Photo by Mark Thompson/Getty Images)

In this handout image provided by the Ferrari press office, a general view of the Ferrari steering wheel and operating controls as the new Ferrari F2012 Formula one car is launched online on February 03, 2012. (Photo by Ferrari Press Office via Getty Images)