Overcrowding is recurring on Everest, causing climbers to die from lack of oxygen while waiting.

TURKEY - Located more than 85 m below ground and consisting of 18 floors, Derinkuyu is the largest underground city in the world ever discovered.

With their larger than adult size and fresh meat, the walrus is a favorite target for poachers in the Amazon rainforest that stretches across Brazil, Peru and Colombia.

The road running along the mountain ridge in the border district of Quang Ninh has a new look that makes many visitors excited. 19 The road up to milestone 1305 in the territory of Binh Lieu district, Quang Ninh is famous for its danger and is known as one of the hardest to conquer "dinosaur backbones" in the North. After becoming a famous destination, trekking road to landmark 1305 in Binh Lieu has been built an additional stairway about 1.8 km long with 2,000 steps.

With an altitude of 2,979 m, Ta Lead Nhu peak in Tram Tau district (Yen Bai) has a harsh climate but is ideal for "hunting clouds" on beautiful days. Ta Lead Nhu, also known as Phu Song Sung, is called by the Thai or Chung Chua Nha as the Mong people call it, located in the Pu Luong massif in the Hoang Lien Son range. Ta Lead Nhut is currently the 6th highest mountain in Vietnam and is considered as an ocean on the clouds, attracting photographers and enthusiasts to explore.

Just rising about 51.8 m above sea level, the Pūhāhonu volcano of the Northwest Hawaiian archipelago does not look great. Located about 1,000 km northwest of Honolulu, Pūhāhonu volcano means "floating turtle to breathe air" in Hawaiian language. No longer active, two small peaks protruding from the water's surface are also known as Gardner Pinnacles.

Looking from above, the flow of traffic on the N302 highway disappears under the water. Usually bridges are paths for vehicles to cross rivers or seas, but Veluwemeer Bridge is the opposite - water cuts through a road. At the bridge section, the N302 highway seems to be submerged under the surface of Lake Veluwemeer for ships to cross above.

FRANCE - Even though the water stops flowing, the flow of traffic across the Pont du Gard bridge has continued to pass for hundreds of years. Many works from ancient Roman times exist over hundreds of years, showing the pinnacle of construction techniques and outstanding aesthetics of previous architects. The Roman aqueducts are a prime example of this, and there is no clearer example than the Pont du Gard bridge.

DA NANG Nature diversity, mountains and forests, with the beauty of the "primate queen" attracts tourists to visit the peninsula. Son Tra Peninsula (Tho Quang Ward, Son Tra District) fanciful in the mist at dawn. Riding a motorbike along the Hoang Sa coastal road, visitors will discover the beauty of Son Tra Peninsula. The peninsula covers an area of ​​more than 4,400 hectares, 13 km long with a circumference of about 60 km, an average height of 350 m, the highest place on Son Tra Mountain is the top of Snail near 700 m. Along with Hai Van pass and Danang bay, Son Tra peninsula is like a screen to protect and shield Da Nang city. Son Tra is about 10 km northeast of Danang center.

Located off the northeastern coast of Sardinia, Italy is Tavolara, an island with a length of 5 km and a width of 1 km. This island except for the two ends, most of them are steep cliffs. The narrow isthmus with a long beach is the only place on the island inhabited. Bertoleoni declared himself the ruler of the "Kingdom of Tavolara", and declared it "the world's smallest kingdom". Members of this clan are also the only residents on the island, living more than 200 years. The portrait of the Bertoleoni royal family hangs in the Buckingham Palace Museum, London and on the wall of the island restaurant. Below is the caption: The royal family Tavolara, located in Terranova Bay, the smallest kingdom in the world. Photo: Amusing. Bertoleoni came to the island in 1807 and decided to live there permanently with his two wives and children. Initially, Bertoleoni chose this place for the purpose of tax evasion, not having to pay a fine because there were many wives.