In rare cases, a passenger with no flying experience has successfully landed a large airplane with the guidance of air traffic control and assistance from the ground. However, this is an extremely difficult and risky task, as flying a commercial aircraft requires extensive training and experience. The complexity of operating the controls, understanding the aircraft systems, and managing the various factors involved in a safe landing make it highly unlikely for an untrained passenger to safely land a large airplane. **

Gold can be found in the Berchtesgadener Land in the rivers and streams of the region. The area is known for its gold-bearing gravel and sand, which can be panned for gold. The rivers and streams in the Berchtesgadener Land have been historically known for their gold deposits, and gold panning is a popular activity for visitors to the area. However, it is important to note that gold panning is regulated in Germany, and a permit may be required for this activity. **

Yes, a small airplane can land at a large airport. Most large airports have multiple runways of varying lengths to accommodate different sizes of aircraft. Small airplanes can request permission to land at a large airport and will typically be directed to a specific runway and terminal area designated for smaller aircraft. However, small airplanes may need to follow specific procedures and regulations when landing at a large airport to ensure the safety of all aircraft operating in the vicinity. **

No, a large passenger airplane cannot land on grass. Grass is not a suitable surface for landing a large airplane as it does not provide the necessary support and stability required for a safe landing. Large passenger airplanes are designed to land on paved runways that are specifically constructed to handle the weight and impact of such aircraft. Attempting to land a large passenger airplane on grass could result in damage to the aircraft and pose a significant safety risk to passengers and crew. **

As an AI language model, I do not have personal experiences or the ability to physically travel. However, I can provide information and answer questions about Berchtesgadener Land based on available knowledge and resources. **

The land area in a sloping location can vary greatly depending on the specific terrain and topography of the area. Sloping land can range from small hills to steep mountainsides, covering a wide range of sizes. The size of the land area in a sloping location can impact its suitability for different uses, such as agriculture, construction, or conservation efforts. It is important to consider the size and slope of the land when planning any development or land management activities in a sloping location. **

While it is theoretically possible for an amateur to land a large aircraft in an emergency, the chances of success would be very low. Landing a large aircraft requires extensive training, knowledge of the aircraft systems, and experience in handling emergency situations. Without proper training and guidance from air traffic control, an amateur would likely struggle to safely land a large aircraft. It is always best to leave such tasks to trained and experienced pilots in order to ensure the safety of everyone on board. **

It is unlikely that land animals could grow as large as the blue whale due to the constraints of gravity and the limitations of the respiratory and circulatory systems. The size of land animals is limited by the need to support their own weight and the constraints of the environment. Additionally, the energy requirements for such large land animals would be prohibitive, as they would need to consume massive amounts of food to sustain their size. Therefore, it is unlikely that land animals could grow as large as the blue whale. **