Sky City: Uyuni Salt Flats, Bolivia.

Best time to travel: Rainy season (December to March): This is the best time to visit the Uyuni Salt Flats. Rainwater floods the surface of the salt flats, forming shallow lakes. The lake surface becomes a vast mirror, reflecting the blue sky, white clouds, brilliant sunrise or starry sky. You can take stunning photos of the "Sky Mirror" effect. Dry season (April to November): The lake dries up, leaving only a hard shell of minerals, mainly salt. You can drive on the white lake bed, experience a hot air balloon ride, and take interesting optical illusion photos using the white background and flat terrain. Accommodation options: Salt brick hotel: There are unique salt brick hotels near the salt flats, such as Hotel de Sal Luna Salada. Many parts of the hotel, including the walls, floors, and furniture, are made of salt. It is very distinctive and convenient for enjoying the sunrise and sunset over the salt flats. However, the price is relatively high, starting at around CNY750 per night. Must-visit attractions: Uyuni Salt Flats: This is the core attraction. The vast white salt flats present different beauty in different weather and times. During the day, you can experience the magic of the Sky Mirror. At night, you can enjoy the starry sky and Milky Way, as if you are in a dream world. ● Train Cemetery: Located 3 km outside Uyuni, there are many abandoned old railway trains. These trains are a testament to history and once played an important role in mineral transportation. Now they are left to decay, forming a unique landscape that is perfect for taking photos. Food recommendations: Salt-grilled meat: After marinating the meat with local spices, it is grilled with salt. The grilled meat is tender and juicy, with a unique flavor. Salt marsh shrimp: Shrimp grown in the salt marsh, with delicious meat. You can taste its original flavor after simple cooking. Quinoa soup: Quinoa is a local specialty, rich in nutrients. Quinoa soup is rich in flavor and is a delicious and healthy dish. Precautions: Climate and clothing: Uyuni Salt Flats are at a high altitude, with a large temperature difference between day and night. Bring warm clothes, such as down jackets and windbreakers. The sun is strong during the day, so take sun protection measures. Altitude sickness: Uyuni Salt Flats are at an altitude of about 3,700 meters, and you may experience altitude sickness. Prepare some altitude sickness medication in advance and take a rest. Avoid strenuous exercise. Traffic safety: If you choose to drive yourself, the terrain of the salt flats is special, with few landmarks and it is difficult to distinguish directions. You must be accompanied by an experienced guide. Transportation: Airplane: You can take a plane from La Paz, the capital of Bolivia, to Uyuni Town, which takes about 30 minutes and is relatively convenient. Bus: From other cities in Bolivia, such as Santa Cruz, or Calama in Chile ● Private car or group tour: After arriving in Uyuni, you can choose a private car or group tour to the salt flats. Private cars are more expensive, while group tours are relatively cheap, but the itinerary may be limited.