A woman made up as a skull participates in Day of the Dead festivities in Mexico City, Thursday, October 27, 2016. The holiday honors the dead as friends and families gather in cemeteries to decorate their loved ones' graves and hold vigil through the night on Nov. 1 and 2. (Photo by Marco Ugarte/AP Photo)

Lítla Dímun is a small island between the islands of Suðuroy and Stóra Dímun in the Faroe Islands of Denmark. It is the smallest of the main 18 islands, being less than 100 hectares (250 acres) in area, and is the only uninhabited one. The island can be seen from the villages Hvalba and Sandvík.

A cosplay enthusiast poses as Serasu Vikutoria of the Hellsing anime series during the “Anime Friends” annual event in Sao Paulo July 19, 2015. Anime Friends is one of Brazil's biggest events related to anime, manga and Japanese culture. (Photo by Nacho Doce/Reuters)

A woman rows her boat as she harvests tomatoes on Inle lake, in Myanmar's Shan State September 4, 2015. Inle is one of the country's most popular tourist sites. (Photo by Soe Zeya Tun/Reuters)

The International Garden Photographer of the Year is one of the world’s premier competitions specialising in botanical photography. There are 11 main categories and numerous special awards including Young Garden Photographer of the Year, and the mobile-only category Gardens on the Go. Here: Winner, Wildflower Landscapes category. Alto Paraíso de Goiás, Goiás, Brazil. (Photo by Marcio Cabral/The Guardian)

Shimmering clearest blue and stretching as far as the eye can see, this is one of Iceland's famed crystal ice caves. The giant solid waves look frozen in time but they are slowly moving along as part of the Vatnajokull Glacier – which stretches across eight per cent of the island. The images were captured in February 2014 by British photographer Rob Lott, 49. Photo: A wide view of Rob Lott in the crystal ice cave in the Vatnajokull Glacier, Iceland. (Photo by Rob Lott/Barcroft Media)

The ‘Stop the Violence’ advertising campaign by Brazilian agency Terremoto Propaganda aims to reduce the risk of accidents on the road. The visually grabbing print campaign shows a vehicle painted on the face of one person and the fist of another, drawing the comparison between what is widely known to be intentional violence, such as punching someone in the face, with what many incorrectly consider unintentional, like speeding or unsafe lane changes. Let us know what you think about this campaign in the comments below.

Macro or Micro? Scientists’ pictures baffle our sense of scale. It began when Stephen Young, a geography professor at Salem State University in Massachusetts, tricked his biologist colleague Paul Kelly into thinking a satellite image was one of his electron microscope scans. Can you guess whether they are close-up or very far away? (Photo by Paul Kelly)