Tristan the T-Rex is scheduled to return to Berlin in 2022. The exact date of his return has not been announced yet, but visitors can look forward to seeing him at the Museum für Naturkunde in Berlin next year. Keep an eye on the museum's website and social media for updates on Tristan's return. **

Yes, the T-Rex did have serious competitors during its time, such as the Triceratops, Ankylosaurus, and Spinosaurus. These dinosaurs were also apex predators and would have competed with the T-Rex for food and territory. The Triceratops, for example, had a large bony frill and horns that it used for defense, making it a formidable opponent for the T-Rex. The presence of these other powerful predators would have contributed to a complex and competitive ecosystem during the time of the T-Rex. **

T-shirts with numbers on the back are commonly referred to as "jerseys" or "sports jerseys." These types of T-shirts are often worn by athletes during games to easily identify players on the field or court. They are also popular among fans who want to show support for their favorite sports teams or players. **

The holes in the back of a t-shirt are typically there for ventilation and to provide a more comfortable fit. These holes, often called "gussets," allow air to flow through the shirt, keeping the wearer cool and reducing sweat buildup. Additionally, they can also provide more flexibility and movement in the shirt, making it easier to move and stretch while wearing it. Overall, the holes in the back of a t-shirt serve a functional purpose in enhancing the comfort and wearability of the garment. **

When you're not wearing a T-shirt, your back is more exposed to the elements and other potential irritants. This exposure can lead to dryness, irritation, or even allergic reactions, all of which can cause itching. Additionally, without the barrier of a T-shirt, your back may be more prone to friction from things like furniture or sweat, which can also lead to itching. It's important to keep your back clean and moisturized to help prevent itching when not wearing a T-shirt. **

Teachers should prioritize professionalism and comfort over following fashion trends. While it is important to dress appropriately and presentably, teachers should not feel pressured to constantly keep up with the latest fashion. It is more important for teachers to focus on their teaching and creating a positive learning environment for their students. Ultimately, personal style and comfort should take precedence over following fleeting fashion trends. **

As an AI, I don't have personal preferences or the ability to follow fashion trends. However, I can provide information and insights on current fashion trends based on data and analysis. If you have any specific fashion trend-related questions or need information on the latest trends, feel free to ask! **

Fashion trends exist because they reflect the ever-changing tastes and preferences of society. They are influenced by a variety of factors including cultural shifts, technological advancements, and economic changes. Fashion trends also provide a sense of novelty and excitement, driving consumer demand for new styles and products. Additionally, they allow individuals to express their personal identity and creativity through their clothing choices. Overall, fashion trends serve as a way for people to stay current and connected to the world around them. **