Smart cities are characterized by the integration of technology and data to improve the quality of life for residents, enhance sustainability, and make urban environments more efficient and responsive. Here are 10 attributes of a smart city:

1. Advanced Information and Communication Technology (ICT): Smart cities leverage high-speed internet connectivity, 5G networks, and IoT (Internet of Things) devices to collect and transmit data, enabling efficient communication and decision-making.
2. Data Analytics and Big Data: They use data analytics to process vast amounts of information collected from various sources, including sensors, to gain insights that can inform urban planning and policy decisions.
3. Sustainable Transportation: Smart cities prioritize sustainable transportation options like electric vehicles, bike-sharing programs, and efficient public transportation systems to reduce traffic congestion and air pollution.
4. Smart Infrastructure: Infrastructure components like roads, buildings, and utilities are equipped with sensors and smart technologies to monitor their condition and performance in real-time.
5. Energy Efficiency: They employ smart grids and energy management systems to optimize energy consumption, reduce wastage, and promote the use of renewable energy sources.
6. Safety and Security: Smart cities invest in advanced security systems, including surveillance cameras, emergency response systems, and data-driven policing, to enhance safety for residents and visitors.
7. Waste Management: They implement smart waste management solutions such as automated garbage collection and recycling programs to reduce waste and lower environmental impact.
8. E-Government and Digital Services: These cities offer online services for residents, such as digital payment platforms, e-governance portals, and mobile apps for accessing government services.
9. Environmental Sustainability: Smart cities prioritize eco-friendly practices, including green building standards, urban green spaces, and initiatives to combat climate change and improve air quality.
10. Citizen Engagement: They encourage citizen participation through digital platforms, public feedback mechanisms, and community-driven initiatives to ensure that urban planning aligns with the needs and preferences of residents.

These attributes work together to create more efficient, sustainable, and livable urban environments that can adapt and respond to the evolving needs and challenges of the 21st century.