This high-tech skyscraper designed by French architect Jean Nouvel is an impressive structure that offers stunning views of Barcelona. The building's unique design, inspired by images of geysers, makes it a must-see attraction for architecture enthusiasts and tourists alike. However, some visitors have reported that the entrance fee can be expensive, with one visitor paying over 35€ for an adult and a child.The building's amenities include a wheelchair-accessible toilet, entrance, and car park, making it accessible to visitors with disabilities. On-site services are also available, adding to the convenience of the experience.While some visitors have praised the building's innovative design, others have expressed disappointment with the extra cost of the climbing structure. However, the majority of visitors have been impressed with the building's unique features and have recommended visiting the tower and going to the observation deck.The building's staff has been friendly, and the staff has responded positively to visitor comments, showing a commitment to customer service. Overall, this building is a great place to visit for those interested in architecture, design, and stunning views of the city.One issue that has been raised is the high price of the entrance fee, which may be a deterrent for some visitors. However, the building's unique features and stunning views make it a worthwhile experience for those who are willing to pay the price.