Drastic inequality is by no means new in New York. Jacob A. Riis was called a muckraker after he chose to spotlight the city’s poverty at the turn of the 20th century by photographing it. Here: Sweatshop in Hester Street, 1889-1890. (Photo by Jacob A. Riis/Museum of the City of New York, Gift of Roger William Riis)

These stunning pictures of beautiful Icelandic waterfalls will take your breath away. The mesmerizing shots show the striking waterfalls set against the night sky and the hypnotic green glow of the northern lights, as well as the picturesque Icelandic scenery and stunning sunrises. Here: A mesmerising waterfall in the Icelandic country-side. (Photo by Arnar Kristjansson/Caters News)

The Seven Sisters is the 39th tallest waterfall in Norway. The waterfall consists of seven separate streams, and the tallest of the seven has a free fall that measures 250 metres (820 ft). The waterfall is located along the Geirangerfjorden in Stranda Municipality in Møre og Romsdal county, Norway. The waterfall is located just south of the historic Knivsflå farm, across the fjord from the old Skageflå farm. The falls are about 6.5 kilometres (4.0 mi) west of the village of Geiranger. It is part of the Geiranger World Heritage Site.

You might think Ysabel LeMay’s works are hyper-realistic paintings but they’re created through an innovative technique called photo fusion. The Quebec-born, U.S.-based artist takes hundreds of photographs for each piece, attunes the light and visual properties, then assembles one detail at a time in a painterly fashion to form a single composition. Each work takes 4 to 8 weeks on average.

Tourists play at a beach covered by a thick layer of green algae on July 3, 2013 in Qingdao, China. A large quantity of non-poisonous green seaweed, enteromorpha prolifera, hit the Qingdao coast in recent days. More than 20,000 tons of such seaweed has been removed from the city's beaches. (Photo by China Foto Press)