“As soon as the city ends, you’re going to see someone on horseback riding and living in a ger (yurt, the distinctive ... cruise right through this natural tunnel in Piercy Island.

Pat Riddell, editor of National Geographic Traveller (UK), said: “Our competition goes from strength to strength, with this ...

Having explored Singapore’s Gardens by the Bay and the modern marvels, I was keen to capture the city’s more unassuming areas of natural beauty ... sheer scale of the tunnel.

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