Ijen’s Blue Fire Crater, Indonesia at Dawn [OC][3456 × 2304]
Picture found by the Ditpub “Beautiful World” searcher.
Original was/is available from http://i.imgur.com/vYG7Wnd.jpg
Here are some definitions that might clarify something 🙂
Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres.
Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.
Indonesia (/ˌɪndəˈniːʒə/ IN-də-NEE-zhə or /ˌɪndoʊˈniːziə/ IN-doh-NEE-zee-ə; Indonesian: [ɪndonesia]), officially the Republic of Indonesia (Indonesian: Republik Indonesia [rɛpublik ɪndonesia]), is a sovereign island country in Southeast Asia and Oceania.
Dawn (from an Old English verb dagian “to become day”) is the time that marks, depending on the specific usage, the beginning of the twilight before sunrise, the period of the pre-sunrise twilight or the time of sunrise.
Published by DitPub on 2015-12-19 6:29:25, under the category “Beautiful World”
DitPub is a for-learning-&-fun-bot by Artur Marques