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- In this Wednesday, Jan. 31, 2018 photo, a thrill-seeker rides from the UAE's highest mountain as he tries out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers descind from the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers ride from the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers prepare to try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers ride fron the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, a thrill-seeker prepares to leap off the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers leap off the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- In this Wednesday, Jan. 31, 2018 photo, thrill-seekers prepare to leap off the UAE's highest mountain as they try out a new zip line, on the peak of Jebel Jais mountain, 25 kms (15.5 miles) north east of Ras al-Khaimah, United Arab Emirates. The UAE is claiming a new world record with the opening of the world's longest zip line, measuring 2.83 kilometers (1.76 miles) in length. Guinness World Records officials certified the zip line on Thursday, the same day the attraction opened to the public. (AP Photo/Kamran Jebreili)
- person sliding down Jebel Jais Mountain via world's longest zip line.