ROUNDSTUBE/aven1961

148th video of ROUNDS TUBE describes about the Iconical Islands - Hawaii 50th State of USA. Hawaii is a U.S. state in the Western United States, in the Pacific Ocean about 2,000 miles (3,200 km) from the U.S. mainland. It is the only state outside North America, the only state comprised entirely of islands, and the only state in the tropics. Hawaii is also one of a few U.S. states to have once been an independent nation. Hawaii comprises nearly the entire Hawaiian archipelago, 137 volcanic islands spanning 1,500 miles (2,400 km) that are physiographically and ethnologically part of the Polynesian subregion of Oceania. The state's ocean coastline is consequently the fourth longest in the U.S., at about 750 miles (1,210 km). The eight main islands, from northwest to southeast, are Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi, Kahoʻolawe, Maui, and Hawaiʻi, after which the state is named; it is often called the "Big Island" or "Hawaii Island" to avoid confusion with th

147th Video of ROUNDS TUBE describes about the 200th Anniversary of Glorious Greece being celebrated annually on 25, March. Each year Greeks all over the world celebrate Greek Independence Day, which is a national holiday in Greece. This year 25th March 2021, marks the 200th anniversary of Greek Independence Day. This is when Greeks remember their long struggle against the Ottoman Empire, an effort that eventually leads to Greece’s independence. Thisday, in fact, marks the beginning of the Greek War for Independence, not the end. For hundreds of years, much of Greece had been taken over by the Ottoman Empire until the 1820’s when much of the country eventually overcame Turkish rule. Several factors contributed to the Turks coming to Greece, including the Byzantine Empire, which ruled for around 1100 years and then began to decline. However, the Ottoman Empire’s push to Greece eventually began when they captured Constantinople in 1453. Once the capital of the Byzantine Empire was taken

135th Video on ROUNDS TUBE describes about the National Doctors' Day being celebrated on 30th March- is a day celebrated to recognize the contributions of physicians to individual lives and communities. The date may vary from nation to nation depending on the event of commemoration used to mark the day. In some nations the day is marked as a holiday. Although supposed to be celebrated by patients in and benefactors of the healthcare industry, it is usually celebrated by health care organizations. Staff may organize a lunch for doctors to present the physicians with tokens of recognition. Historically, a card or red carnation may be sent to physicians and their spouses, along with a flower being placed on the graves of deceased physicians. In India, the National Doctors' Day is celebrated on July 1 all across India to honour the legendary physician and the second Chief Minister of West Bengal, Dr. Bidhan Chandra Roy. He was born on July 1, 1882 and died on the same date in 1962,

A kaleidoscope (/kəˈlaɪdəskoʊp/) is an optical instrument with two or more reflecting surfaces tilted to each other in an angle, so that one or more (parts of) objects on one end of the mirrors are seen as a regular symmetrical pattern when viewed from the other end, due to repeated reflection. The reflectors (or mirrors) are usually enclosed in a tube, often containing on one end a cell with loose, colored pieces of glass or other transparent (and/or opaque) materials to be reflected into the viewed pattern. Rotation of the cell causes motion of the materials, resulting in an ever-changing view being presented. Kaleidoscope, optical device consisting of mirrors that reflect images of bits of coloured glass in a symmetrical geometric design through a viewer. In 1814 Sir David Brewster conducted experiments on light polarization by successive reflections between plates of glass and first noted "the circular arrangement of the images of a candle round a center, and the multiplicatio

Atlanta is the capital and most populous city of the U.S. state of Georgia. With an estimated 2019 population of 506,811, it is also the 37th most populous city in the United States. The city serves as the cultural and economic center of the Atlanta metropolitan area, home to more than 6 million people and the ninth-largest metropolitan area in the nation. Atlanta is the seat of Fulton County, the most populous county in Georgia. Portions of the city extend eastward into neighboring DeKalb County. Atlanta was originally founded as the terminus of a major state-sponsored railroad. With rapid expansion, however, it soon became the convergence point among multiple railroads, spurring its rapid growth. The city's name derives from that of the Western and Atlantic Railroad's local depot, signifying the town's growing reputation as a transportation hub. During the American Civil War, the city was almost entirely burned to the ground in General William T. Sherman's famous Marc

New York City (NYC), often called simply New York, is the most populous city in the United States. With an estimated 2019 population of 8,336,817 distributed over about 302.6 square miles (784 km2), New York City is also the most densely populated major city in the United States. Located at the southern tip of the U.S. state of New York, the city is the center of the New York metropolitan area, the largest metropolitan area in the world by urban landmass. With almost 20 million people in its metropolitan statistical area and approximately 23 million in its combined statistical area, it is one of the world's most populous megacities. New York City has been described as the cultural, financial, and media capital of the world, significantly influencing commerce, entertainment, research, technology, education, politics, tourism, art, fashion, and sports. Home to the headquarters of the United Nations, New York is an important center for international diplomacy. Situated on one of the w

Chicago city is the third largest city in the United States. It is home to 1366 high rise building, of which 48 buildings stand taller than 600 ft. The Chicago River has 38 movable bridges spanning it, down from a peak of 52 bridges. Important Sight Seeing Places near Grant Park South Entrance Garage Gate are as follows: Millennium Park, Wrigley Square, Art Institute of Chicago, Crown Fountain, River Walk Unique blocks, Cloud Gate, Boat trips viz., Water Taxi, Architectural Buildings. The photos depicting the places here shown are worth to visit with family and kids. Please click the subscribe button as free to my channel for getting videos periodically. Please click the following links for more description of each video: https://www.youtube.com/user/aven1961/videos https://roundstube.blogspot.com https://www.youtube.com/c/roundstubeaven1961 https://sites.google.com/view/roundstube शिकागो शहर संयुक्त राज्य अमेरिका में तीसरा सबसे बड़ा शहर है। यह 1366 ऊँची इमारत का घर है, जिस