Singapore's latest underground retail space - Esplanade Xchange - was officially opened on Thursday. It is sited above the Esplanade MRT Station, and is the first Xchange along the new, partially-opened Circle Line. The Esplanade Xchange is also a short walk away from Marina Square and Suntec City. Fourteen of the 26 tenants at the Xchange operate F&B outlets. That's the highest proportion of...