A brilliant sunset makes for a fun silhouette picture by jumping between sand bars at Shi Shi Beach on the Olympic Peninsula Friday July 17, 2015. (Photo by Bettina Hansen/The Seattle Times)

A photograph made available on 30 September 2016 showing wind turbines at the site of the highest wind park in Europe at the Griessee, near the Nufenenpass in the Swiss south Alpes, Valais, Switzerland, on 23 September 2016. The four wind turbines of this wind park were developed by the company SwissWinds GmbH and are inaugurated on, 30 September 2016. (Photo by Olivier Maire/EPA)

Kim Kardashian is seen on February 15, 2017 in New York City. (Photo by Team GT/GC Images)

A lemur licks a block of ice containing fruit at Rome's Bioparco zoo, Wednesday, July 5, 2017. Zookeepers at the Bioparco often give animals ice blocks with either fruit or meat on hot summer days. (Photo by Gregorio Borgia/AP Photo)

Lake Baikal is the world's oldest lake, at 25 million years (possibly older), and deepest, averaging 744.4 metres (2,442 ft).

Located in the south of the Russian region of Siberia, between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast, it is the most voluminous freshwater lake in the world, containing roughly 20% of the world's unfrozen surface fresh water.

“The Wii U is an upcoming home video game console by Nintendo, and the direct successor to the Wii. The system is expected to be released in 2012 and was unveiled during Nintendo's press conference at the Electronic Entertainment Expo 2011 on June 7, 2011. The Wii U is the first Nintendo console to produce 1080p high-definition graphics, and features a new controller with an embedded touchscreen. The controller allows a player to continue a gaming session by displaying the game even when the television is off. The system will be fully backwards compatible with Wii, and Wii U games can support compatibility with Wii peripherals, such as the Wii Remote and Wii Balance Board”. – Wikipedia

Photo: The new Nintendo game console Wii U is displayed at the Nintendo booth during the Electronic Entertainment Expo on June 7, 2011 in Los Angeles, California. The Wii U will have HD graphics, a controller with a 6.2 inch touchscreen and be compatible with all other Wii accessories. (Photo by Kevork Djansezian/Getty Images)

“The Boeing X-45 unmanned combat air vehicle is a concept demonstrator for a next generation of completely autonomous military aircraft, developed by Boeing's Phantom Works. Manufactured by Boeing Integrated Defense Systems, the X-45 was a part of DARPA's J-UCAS project”. – Wikipedia

Photo: Two X-45A Unmanned Combat Air Vehicles (UCAV) are shown to members of the news media July 11, 2002 at Edwards Air Force Base, California. The X-45A, developed by The Defense Advanced Research Projects Agency and the Boeing Company, is the first unmanned system designed from inception for combat missions. (Photo by David McNew/Getty Images)