The 185,000-tonne, 345m-long (1,131ft) Excel-class ship is due to be delivered in December 2022
The line says the high-ropes attraction will be called Altitude Skywalk and designed to appeal to all ages
Altitude Minigolf, comprising 9 mini-golf games, another P&O Cruises first, will be below Altitude Skywalk
On the food front, there will be 12 restaurants joined by a further eight more casual places to eat
The ship will also feature P&O Cruises' first-ever zone with a retractable roof, 'SkyDome'