Gonna go with the third one
1) I've hiked a 2,5 km tall mountain
2) I've dove 30 meters down into the ocean with scuba equipment
3) I've travelled over 100.000 km with airplanes
1) I've hiked a 2,5 km tall mountain
2) I've dove 30 meters down into the ocean with scuba equipment
3) I've travelled over 100.000 km with airplanes