According to the Daily Mail, the world’s deepest swimming pool will be built in Cornwall (UK) with a total investment of more than 200 million USD. Its name is Blue Abyss (roughly translated: Blue Abyss). The depth of the pool is about 50 m. The swimming pool can hold more than 42,000 cubic meters of water, equivalent to 17 Olympic standard swimming pools or… 168 million cups of tea. With these numbers, Blue Abyss will become the largest and deepest indoor swimming pool in the world. However, it is not open to serve ordinary people. The swimming pool is used for research, testing and training in a number of fields such as energy, marine, defense and space. The construction is expected to be completed after 18 months from the time the planning permit is granted. It is likely that in the second quarter of 2023, Blue Abyss will be officially put into use. It is expected that Blue Abyss will create 160 jobs for workers and earn 11 million pounds a year for the local economy. In addition, the swimming pool can also be rented as a movie set. This will attract famous actors looking to the Cornwall area. Project Blue Abyss features Tim Peake, the legendary British astronaut. He said: “Cornwall is the perfect location for the Blue Abyss. This is an area rich in potential for ambitions to conquer space, space and renewable energy.” Sketches show the pool will be housed in a unique teardrop-shaped building designed by British architect Robin Partington. Currently, the deepest swimming pool in the world is DeepSpot, located in Poland. It was officially opened on November 21, 2020 with a depth of 45 m, a total volume of water equivalent to 27 Olympic standard tanks. The swimming pool is open to the public and is used as a diver training center.

With a cliff height of 800m, a length of 1.7km and a depth of nearly 1km, Tu San alley is known as the deepest canyon in Southeast Asia, a unique wonder in the Dong Van rock plateau. Possessing a magnificent beauty by the construction of nature, Tu San alley is majestic and proud between heaven and earth. In 2009, the Ministry of Culture, Sports and Tourism classified this area as a scenic relic of Vietnam, Nho Que River was honored as one of the unique tectonic valleys of Vietnam. Panoramic view of Tu San alley seen from above. Every view of Nho Que River is so beautiful that it attracts visitors With a cliff height of 800m, a length of 1.7km and a depth of nearly 1km, Tu San alley is known as the deepest canyon in Southeast Asia, a unique wonder in the Dong Van rock plateau. The road down the alley is also enough to challenge the health of each visitor. From the car and motorbike stop, visitors have to walk 800m down to the marina. In October, the way down will have beautiful buckwheat flowers Visitors going from the boat side will usually ask for the help of local people at a cost of 30,000-50,000 VND. Or, choose to ride a motorbike uphill 8km long for 100,000 / way. Currently, the lakebed area of ​​Nho Que 1 Hydropower Plant has 40 boats registered as passenger transport services. This service provides a stable source of income for houseboats and creates jobs for people here. Since the date of Nho Que hydroelectricity, which prevents the river from flowing so fast, there is a kayak rental service for visitors to swim and admire the view of Tu San alley for about 300,000 VND. Visitors can buy a group boat ticket for 100,000 / person, if renting the whole boat is 500,000 / trip for the journey to see Tu San alley for about 1 hour. For large groups of tourists, the rental price for a boat is from 500,000 to 700,000 depending on the size of the boat. Tu San Canyon is the deepest river canyon in Vietnam. The canyon and other geological heritages make in this area the most spectacular landscape of Dong Van Stone Plateau Global Geopark, Ha Giang. When coming to Tu San alley, visitors should once experience the feeling of sitting on a boat gliding on the green Nho Que river, watching the surrounding scenery with high steep cliffs and white clouds to see themselves It’s like being lost in a fairyland. Lying at the foot of Ha Giang’s craggy cat-eared mountains, Nho Que river with clear blue water flows smoothly around the cliffs. Tu San Canyon is located in the middle of the ravine, the close distance of the two ravines, combined with the green color of Nho Que River, creates a spectacular and poetic scene. To get to Tu San alley, visitors need to take a boat or canoe service about 20 minutes upstream of Nho Que river. In the midst of the majesty of the natural mountains and forests, from afar, Tu San Canyon with Nho Que river looks like a green thread, crossing the back of the pass.