Artist Robert Mickelson is an expert sculptor whose medium of choice happens to be glass. There's something so pure and serene about glass. Perhaps it's the material's transparency coupled with its fragility. Whatever it may be, Mickelson knows how to accentuate the element's most appealing qualities. Each of his life-like sculptural pieces exude realism with a refined quality.

Chinese archaeologists announced the discovery of 110 life-sized terracotta warriors, guarding the tomb of Qin Shi Huang, China's first emperor.

Photo: Archaeologists work on a terracotta warrior in the third excavation of pit one at the Terracotta Warriors and Horses Museum in Xi'an in northwest China's Shaanxi province Saturday, June 9, 2012. (Photo by AP)

Banger racers take part in one of the final races of the banger racing season at the Mendip Raceway on October 9, 2011 in Cheddar, England. Banger racing is a popular contact motorsport, especially in the UK and Ireland – in which drivers of old and scrap vehicles race against one another around a dirt or tarmac race track, while deliberately attempting to destroy opposing vehicles. (Photo by Matt Cardy/Getty Images)

The Glastonbury Grace Cup, a rare carved oak tankard is and an 18th century replica in silver gilt (L), is held at Glastonbury Abbey for the first time in 125 years on December 12, 2011 in Glastonbury, England. (Photo by Matt Cardy/Getty Images)

A camel is seen as he is being brought for the foot surgery at the Dubai Camel Hospital in Dubai, UAE, December 11, 2017. (Photo by Satish Kumar/Reuters)

In this May 2016 photo released by The Ocean Agency/XL Catlin Seaview Survey, a boat sails near a coral reef that has been bleached white by heat stress in the Maldives. oral reefs, unique underwater ecosystems that sustain a quarter of the world's marine species and half a billion people, are dying on an unprecedented scale. Scientists are racing to prevent a complete wipeout within decades. (Photo by The Ocean Agency/XL Catlin Seaview Survey via AP Photo)

Kea are the only true alpine parrots in the world and thrive as cunning opportunists in the freezing conditions of the Southern Alps. Kea are thought to have developed their wide array of food-finding strategies during the last great ice age, where they learned to adapt using their unusual powers of curiosity. (Photo by Tom Walker/BBC Pictures/The Guardian)