The oldest building in the world is considered to be the Göbekli Tepe in modern-day Turkey. It is estimated to have been constructed around 9600 BCE, making it over 11,000 years old. The site consists of several large stone pillars arranged in circles, and it is believed to have been a ceremonial or religious center for the ancient people who built it. Its age and the complexity of its construction make it a significant archaeological discovery and a testament to the advanced skills and knowledge of its builders. **

The tallest building in the world is the Burj Khalifa in Dubai, United Arab Emirates. It stands at a height of 828 meters (2,717 feet) and has 163 floors. The Burj Khalifa has held the title of the tallest building in the world since its completion in 2010. **

There is no official world record for the marathon distance because the International Association of Athletics Federations (IAAF) does not recognize world records for the marathon. Instead, the IAAF recognizes world records for specific track events, such as the 100m, 200m, and 400m. However, there are unofficial world records for the marathon distance, which are recognized by organizations such as the Association of Road Racing Statisticians (ARRS). **

The tallest building in the world, the Jeddah Tower, is currently under construction in Jeddah, Saudi Arabia. Once completed, it is expected to surpass the height of the current tallest building, the Burj Khalifa in Dubai. The Jeddah Tower is part of the Jeddah Economic City development project and is set to become a new iconic landmark in the city. **

When building a fantasy world, it's important to start with a strong foundation by establishing the rules and laws that govern the world. Consider the geography, history, cultures, and magic systems that make your world unique. It's also helpful to draw inspiration from real-world cultures and historical events to add depth and authenticity to your world. Finally, be consistent in your world-building to ensure that everything fits together cohesively. And don't be afraid to let your imagination run wild! **

There could be several reasons why you may not be building up your endurance. It could be due to not consistently engaging in endurance-building activities, not challenging yourself enough during workouts, not getting enough rest and recovery time, or not following a proper training plan. It's important to assess your current routine, make necessary adjustments, and ensure you are gradually increasing the intensity and duration of your workouts to effectively build up your endurance. **

Chips are not the best choice for fitness and muscle building. They are typically high in unhealthy fats, sodium, and empty calories, which can hinder muscle building and overall fitness goals. It's important to focus on consuming nutrient-dense foods that provide the necessary protein, carbohydrates, and healthy fats to support muscle growth and recovery. Opting for whole, minimally processed foods like lean meats, fruits, vegetables, and whole grains will better support fitness and muscle building efforts. **

To start building endurance for boxing, it is important to incorporate a combination of cardiovascular exercises, strength training, and boxing-specific drills into your training routine. Focus on activities such as running, cycling, and jump rope to improve your cardiovascular fitness. Additionally, include high-intensity interval training (HIIT) and circuit training to build both strength and endurance. Consistency is key, so gradually increase the intensity and duration of your workouts over time to see improvements in your endurance levels. **