To be fair, I do think this is more of a "proof of concept" - a lot of master plans usually highlight projects that are within reach or moreso overarching goals. For example, Woodland Park's 1976 Master Plan would have had all these different biomes, but only the gorilla exhibits, tropical primate islands (first Sulawesi crested macaque and lion-tailed macaque, now red-ruffed lemur and ring-tailed lemur), African Savanna, Swamp and Marsh aviaries got built from that before the zoo ended up deviating heavily from the 1976 layout with subsequent projects. Similarly, London Zoo had this master plan, from the link here:As a silly American, who has been to London Zoo three times in a week last year, nobody needs to know what I think much, but adding to the chorus that this master plan feels bonkers. The 'Oceans' zone shows penguins, but the Penguin Pool is in African Savannah, as is the Indian-themed Land of the Lions and the non-themed Blackburn Pavilion and Tiny Giants. It feels so nuts to re-theme near the entire main zoo on Africa and the canals on Asia when so much of the main zoo is already very Asian-themed in concept and well-executed. The lion and tiger themed zones and Komodo dragon exhibit are fantastic as they are and already do a great job simulating Asia. Getting rid of the Clore would also be a silly, ill-minded decision. These are major strengths that should be leaned in towards, not against.
I'd love for London to build a new Savannah habitat to better accommodate giraffe and hopefully a mixed species, but this doesn't feel like the right route to do it, and feels like betraying a lot of what the zoo is already doing well to get there.
Meet the Monkeys, London Zoo | Proctor & Matthews Architects

This one they've mostly kept to, save for In With the Lemurs adjoining Into Africa/the Clore and the Mappins being used for the Outback. Carnivores and People eventuated into Land of the Lions, South East Asia eventuated into Tiger Territory, African Rainforest became Gorilla Kingdom, etc. London deviated from this Master Plan when the necessity came for SLoRA, Giants of the Galapagos and Monkey Valley, and may well continue to do so with a new African Savanna area.

