An actor plays an injured passer-by during Exercise Strong Tower, the scene of a mock terror attack at a disused underground station in central London, Britain June 30, 2015. London police held their biggest-ever terrorism drill on Tuesday, pitting the emergency services against a group of marauding attackers, nearly 10 years since four young British Islamists killed 52 people in suicide bombings on London's transport network in July 2005. (Photo by Peter Nicholls/Reuters)

“Panopticons is an arts and regeneration project of the East Lancashire Environmental Arts Network managed by Mid Pennine Arts. It involved the construction of series of 21st-century landmarks, or Panopticons (structures providing a comprehensive view), across East Lancashire, England, as symbols of the renaissance of the area”. – Wikipedia

Photo: “Singing Ringing Tree. The Singing Ringing Tree is a musical sculpture overlooking Burnley. It was designed by architects Mike Tonkin and Anna Liu of Tonkin Liu and constructed from pipes of galvanised steel”. (Photos by WandereringSoul/Mark Tighe)

“The popularity of the Internet in China has driven the explosive growth of profitable Web companies and made fortunes for some Chinese entrepreneurs despite government controls on what the public can see online. The number of mainland Internet users rose to 513 million in December, up 12 percent from a year earlier, the government-sanctioned China Internet Network Information Center said”. – AP Business Writer

Photo: Shi Yongxin, abbot of the Shaolin Temple, works on the computer April 8, 2005 in Dengfeng, Henan Province, China. (Photo by Cancan Chu/Getty Images)

Double amputee dog Cora Rose balances on her hind legs to watch Zach Skow repairing her cart on a street in Washington, U.S., May 15, 2019. Cora Rose serves in a prisoner therapy program founded by Skow called “Pawsitive Change” in California. (Photo by Kevin Lamarque/Reuters)

“Leopard Hunting a Stork”. “One-shot capture. I watched the leopard stalking the stork, I only had time to focus at 400mm, no time to change to high speed, I watched the stork, and as soon as it flapped its wings, I shot one shot”. (Photo by Paul Rifkin/National Geographic Travel Photographer of the Year Contest)

A man jumps over a puddle outside Victoria Station, as heavy rain falls, in London, Monday June 20, 2016. Monday marks the Summer Solstice – the longest day of the year and the astronomical change of seasons when days are longest and nights are shortest in the Northern Hemisphere. (Photo by Lauren Hurley/PA Wire via AP Photo)

In this January 27, 2015 photo, penguins walk on the shore of Bahia Almirantazgo in Antarctica. Antarctica “is big and it's changing and it affects the rest of the planet and we can't afford to ignore what's going on down there”, said David Vaughan, science director of the British Antarctic Survey. (Photo by Natacha Pisarenko/AP Photo)