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Tan lines refers to a division between an area or areas on the skin of a human of pronounced comparative paleness relative to other areas of their body that have been suntanned by prolonged exposure to ultraviolet radiation. The source of the radiation may be the sun, or artificial UV sources as used in tanning beds. The tanned area is such that it becomes visually clear where the body of the person was exposed versus the place(s) they covered up...

Er Wang Dong (Chinese: 二王洞; literally "Second Royal Cave") is a large cave in the Wulong Karst region, in Wulong County of Chongqing Municipality of China. The length of the cave has been variously estimated as 3,000 metres (9,800 ft), 8,297 metres (27,221 ft), or 26,021 metres (85,371 ft). It is large enough to contain its own weather system...

Glamour originally was a magical-occult spell cast on somebody to make them believe that something or somebody was attractive. In the late 19th century terminology a non magical item used to help create a more attractive appearance gradually became 'a glamour'. Today, glamour is the impression of attraction or fascination that a particularly luxurious or elegant appearance creates, an impression which is better than the reality...

The universe is commonly defined as the totality of existence, including planets, stars, galaxies, the contents of intergalactic space, and all matter and energy. Definitions and usage vary and similar terms include the cosmos, the world and nature. Scientific observation of earlier stages in the development of the universe, which can be seen at great distances, suggests that the universe has been governed by the same physical laws and constants throughout most of its extent and history...

A Tomb of the Unknown Soldier refers to a monument in dedication to the services of an unidentified soldier and to the common memories of all soldiers killed in any war. Such tombs can be found in many nations and are usually high-profile national monuments. Throughout history, many soldiers have died in wars without their remains being identified...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...

Autumn or fall is one of the four temperate seasons. Autumn marks the transition from summer into winter usually in March (Southern Hemisphere) or September (Northern Hemisphere) when the arrival of night becomes noticeably earlier. The equinoxes might be expected to be in the middle of their respective seasons, but temperature lag (caused by the thermal latency of the ground and sea) means that seasons appear later than dates calculated from a purely astronomical perspective...