 The airport handled 34.5 million passengers in 2018 and this is expected to rise to 53 million by 2020.A new central building located between the existing Concourse's D & E will feature a 10,000 sqm tropical garden with a 268 meter tall water feature, similar to that found at Singapore Changi airport's Jewel complex.The project will also add 11,720 sqm of retail and F&B space, and an expanded transfer area.