Once they stop the treadmill, you will continue to pant because your body needs to repay the oxygen debt that was created during exercise. The doctor will note how quickly your heart rate returns back to normal because itâs a direct indication of the power and strength of your heart.
Inside the crater. The Ngorongoro Conservation Area (NCA) is a protected area and a World Heritage Site located 180 km (110 mi) west of Arusha in the Crater Highlands area of Tanzania. The area is named after Ngorongoro Crater, a large volcanic caldera within the area.
Kerid Crater in Iceland. During our stay in Iceland, we stopped by Kerid Crater (known as KeriÃ°), a volcanic lake located in south Iceland. The crater is part of the popular Golden Circle tourist route that we were following. It is easily accessible with a car park located directly next to the crater.