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  Dolphins are highly intelligent marine mammals that belong to the family Delphinidae.  They are known for their playful behavior, sleek bodies, and exceptional swimming abilities. There are about 90 species of dolphins, including the well-known bottlenose dolphin (Tursiops truncatus), orcas (Orcinus orca), also known as killer whales, and the common dolphin (Delphinus delphis).  Dolphins can be found in oceans and seas worldwide, although some species inhabit freshwater rivers. Dolphins have streamlined bodies with a dorsal fin on their backs.  They have a long snout, known as a rostrum, which contains sharp teeth used for catching fish and squid.  Dolphins vary in size, with the smallest species, like the Maui's dolphin, measuring around 4 feet (1.2 meters), and the largest, such as the orca, reaching lengths of up to 32 feet (9.8 meters). Dolphins are well-adapted to life in the water. Their streamlined bodies enable them to swim swiftly, reaching speeds of up to 20-25 miles pe

  TikTok is a social media platform that allows users to create and share short videos.  It was launched in 2016 by the Chinese company ByteDance and quickly gained popularity, particularly among younger demographics.  TikTok's user interface is designed for easy video creation and editing, featuring various filters, effects, and music options. When TikTok first began, videos on the app were only 15 seconds long.  The short turnaround was tailored to capture people’s attention, perfect for quick consumption as they scroll through endless videos.  In 2017, TikTok bumped up the video length to 60 seconds. That began to increase the amount of time people spend on the app, and by 2018, TikTok had over 300 million users. Since then, TikTok began testing longer uploads and extended the maximum video length to three minutes in July 2021.  That three-minute mark seemed to hit the sweet spot as TikTok blew up to reach one billion users worldwide the same year — nearly half as many as popula

  The FIFA World Cup is the most prestigious international soccer tournament.  It is held every four years and features teams from all over the world competing for the championship.  The tournament is organized by FIFA (Fédération Internationale de Football Association), the governing body of soccer. The first World Cup took place in 1930 in Uruguay, and it has been held every four years since then, with exceptions during World War II.  The tournament has grown in popularity and prestige over the years, becoming one of the most-watched sporting events worldwide. National teams compete in regional qualification tournaments to earn their place in the World Cup.  Each continent has its own qualifying process, and the number of teams that qualify from each region varies.  The host nation automatically qualifies for the tournament. The World Cup begins with a group stage, where the 32 qualified teams are divided into eight groups of four.  Each team plays three matches against the other tea

  Amazon is an American multinational technology company that is known for its e-commerce, cloud computing, digital streaming, and artificial intelligence services.  It was founded by Jeff Bezos on July 5, 1994, and is headquartered in Seattle, Washington. Originally, Amazon started as an online marketplace for books but quickly expanded its product offerings to include electronics, clothing, and various other consumer goods.  Today, Amazon is one of the largest online retailers in the world, selling a wide range of products to customers globally. In addition to its retail operations, Amazon has diversified its business significantly.  One of its most notable ventures is Amazon Web Services (AWS), which provides cloud computing services to individuals, businesses, and governments.  AWS has become a dominant force in the cloud computing industry, offering a wide range of services such as storage, computing power, and database management. Amazon has also made significant forays into the

  Greenland is an autonomous territory within the Kingdom of Denmark, located between the North Atlantic and Arctic oceans.  It is the world's largest island, with an area of over 2.1 million square kilometers (840,000 square miles), although most of its landmass is covered by ice. Greenland has a population of approximately 56,000 people, the majority of whom are Inuit.  The capital and largest city is Nuuk. Greenlandic, an Inuit language, is the official language, while Danish is also widely spoken. Historically, Greenland was inhabited by indigenous peoples, including the Thule people, who arrived around the 13th century.  The Norse also established settlements on the island, the most famous being the Norse settlement at Brattahlid, led by Erik the Red in the 10th century.  However, these Norse settlements eventually disappeared, and Greenland became primarily inhabited by the indigenous Inuit. Greenland's economy is heavily dependent on fishing, mining, and tourism.  The co

  The Burj Khalifa is a famous skyscraper located in Dubai, United Arab Emirates.  It is currently the tallest building in the world, with a height of 828 meters (2,717 feet).  The construction of the Burj Khalifa began in 2004 and was completed in 2010.  It was designed by the architectural firm Skidmore, Owings & Merrill and the structural engineering was done by the firm Thornton Tomasetti. The Burj Khalifa has become an iconic landmark and a symbol of Dubai's modernization and ambition.  It has 163 habitable floors and houses a combination of residential, commercial, and hotel spaces.  The building features luxurious apartments, offices, restaurants, observation decks, and the Armani Hotel Dubai. Visitors can access the observation decks on the 124th and 148th floors, known as the "At the Top, Burj Khalifa" experience.  From these observation decks, visitors can enjoy breathtaking panoramic views of Dubai and beyond. The Burj Khalifa holds several world records, i

  Hong Kong is a vibrant and densely populated city located on the southern coast of China.  It has a unique status as a Special Administrative Region (SAR) within China, which grants it a high degree of autonomy and allows it to maintain its own legal, economic, and political systems. Hong Kong has a rich history and has been a significant center of trade and finance in Asia for many years.  It is known for its impressive skyline, bustling street markets, diverse culinary scene, and vibrant nightlife.  The city is also famous for its stunning natural landscapes, including Victoria Harbour and the surrounding mountains. In recent years, Hong Kong has faced significant political and social challenges.  Protests and demonstrations erupted in 2019 over concerns about encroachment on the city's autonomy and erosion of civil liberties.  These events have had ongoing implications for Hong Kong's relationship with China and its international standing. Hong Kong has a free-market econo