SHENZHEN, Sept. 23 -- Just four decades ago, Shenzhen was a quiet fishing village at the edge of southern China, just across the causeway from Hong Kong.

Today, it is a global technology hub, where popular tech-giants like Huawei, Tencent, DJI and BYD were born.

The city also boasts skyscrapers and tech campuses, but the bustling city is more than just that - beyond these, it is about how the city has made everyday life easier through its seamless public transportation, smart governance and digital integration.

In neighbouring Hong Kong, its citizens' connectivity convenience is all in just one card - the Octopus card - the single cashless payment system that works across trains, buses, ferries and even convenience stores.

In Malaysia...