It is difficult to pinpoint a single "most modern" city as many cities around the world are constantly evolving and adopting modern technologies and infrastructure. However, some cities known for their modernity include Tokyo, Singapore, Dubai, and Seoul. These cities are known for their advanced transportation systems, sustainable architecture, cutting-edge technology, and overall high quality of life. **

It is subjective to determine which city looks more modern and attractive as it depends on individual preferences. However, some may argue that cities like Dubai or Singapore appear more modern and attractive due to their futuristic architecture, advanced infrastructure, and well-planned urban development. On the other hand, cities like Tokyo or New York may also be considered modern and attractive due to their iconic skyline, bustling city life, and cultural diversity. Ultimately, the perception of modernity and attractiveness varies from person to person. **

Stuttgart is generally considered a friendly and likeable city. The locals are known for their warm hospitality and welcoming attitude towards visitors. The city has a vibrant cultural scene, beautiful parks, and a rich history, making it an attractive destination for tourists. Additionally, Stuttgart is known for its excellent public transportation system and overall high quality of life, which adds to its appeal as a friendly and likeable city. **

A modern city is characterized by its advanced infrastructure, including efficient public transportation systems, modern buildings, and high-speed internet connectivity. It is also known for its diverse and multicultural population, vibrant arts and cultural scene, and a strong emphasis on sustainability and green initiatives. Additionally, modern cities often have a strong economy, with a focus on technology, innovation, and entrepreneurship. Finally, modern cities prioritize quality of life for their residents, offering a wide range of amenities such as parks, recreational facilities, and access to healthcare and education. **

A modern city typically has a central business district surrounded by residential areas, with a network of roads and public transportation connecting them. Skyscrapers and high-rise buildings dominate the skyline, housing offices, apartments, and commercial spaces. The city also includes amenities such as parks, shopping centers, schools, and cultural institutions. Additionally, modern cities often have infrastructure for utilities like water, electricity, and waste management, as well as public services such as police and fire departments. **

Berlin is often considered the most immigrant-friendly city in Germany. It is known for its diverse population, vibrant cultural scene, and welcoming atmosphere for people from all backgrounds. The city has a long history of immigration and has many resources and support systems in place for newcomers. Additionally, Berlin is known for its tolerance and acceptance of different cultures, making it a popular destination for immigrants. **

Berlin is often considered the most foreigner-friendly city in Germany. It is a diverse and multicultural city with a large expat community, making it easier for foreigners to feel at home. Berlin offers a wide range of international restaurants, cultural events, and English-friendly services, making it easier for non-German speakers to navigate daily life. Additionally, the city has a reputation for being open-minded and welcoming to people from all backgrounds. **

A city can be made more bicycle-friendly by implementing infrastructure improvements such as dedicated bike lanes, protected intersections, and bike parking facilities. Additionally, creating bike-sharing programs and offering incentives for businesses to become more bike-friendly can encourage more people to use bicycles for transportation. Education and awareness campaigns can also help promote safe cycling practices and encourage more people to choose biking as a mode of transportation. Finally, integrating bicycles into public transportation systems and creating a culture that prioritizes and respects cyclists can further enhance a city's bicycle-friendliness. **