Which underground Mass Rapid Transit interchange is located next to the VivoCity and a shopping mall and ferry terminal that connects to nearby Indonesian ports, as well as the city of Batam and Bintan Island?
HarbourFront MRT Station
HarbourFront Centre
HarbourFront Centre is a shopping mall and ferry terminal that connects to nearby Indonesian ports, as well as the city of Batam and Bintan Island.
 It is at 1 Maritime Square, in HarbourFront, Singapore.
 The mall is part of a development known as HarbourFront which is connected to VivoCity, the country's largest shopping mall.
 It was formerly known as World Trade Centre, which was built in 1977, and was renovated beginning January 2000 with a connection to HarbourFront MRT Station, and was reopened on 20 June 2003, at the same time as HarbourFront MRT Station.
HarbourFront MRT Station
HarbourFront MRT Station (NE1/CC29) is an underground Mass Rapid Transit interchange and the south-western terminus of the North East Line and the Circle Line in Bukit Merah planning area, Singapore.
 It is located next to the VivoCity and HarbourFront Centre, previously known as the Singapore World Trade Centre.
 It serves as a terminal station of the North East Line and the Circle Line.
 This station is one of the most convenient for transferring passengers as they do not have to walk long distances to interchange between lines.
Botanic Gardens MRT Station
Botanic Gardens MRT Station (CC19/DT9) is an underground Mass Rapid Transit interchange station on the Circle Line and Downtown Line in Tanglin, Singapore. Newton MRT Station
Newton MRT Station (NS21/DT11) is an underground Mass Rapid Transit interchange station on the North South Line and the Downtown Line in the planning area of Newton, Singapore.
 It is located along Scotts Road and is an underground station.
 It is the shallowest underground MRT station on the network at about 12 m underground, and is the only station on the North South Line to serve as an interchange with the Downtown Line.
 On the older, North-South Line side it has an orange livery.
 The station is near landmarks such as the Newton Food Centre.
 This station used to be denoted by code N4 before the rail system map was revamped on August 2001. Bugis MRT Station
Bugis MRT Station (EW12/DT14) is an underground Mass Rapid Transit interchange station on the East West Line and the Downtown Line located at the boundary of Downtown Core and Rochor planning areas, Singapore.
 Bugis serves Bugis+, Sim Lim Square, Bugis Village, Bugis Junction and many housing retail and food outlets.
 The station is also nearby to National Library and the Kampong Glam as well as many private educational schools in the area like Nanyang Academy of Fine Arts and LASALLE College of the Arts which also situated nearby. Marina Bay MRT Station
Marina Bay MRT Station (NS27/CE2/TE20) is an underground Mass Rapid Transit interchange station on the North South Line and Circle Line in Downtown Core, Singapore.
 The station is designed by Aedas.
 It was the southern terminus of the North South Line until late November 2014. Sungei Bedok MRT Station
Sungei Bedok MRT Station (DT37/TE31) is a future underground Mass Rapid Transit interchange and terminal station on the Downtown Line and Thomson-East Coast Line in Bedok planning area, Singapore. Bayfront MRT Station
Bayfront MRT Station (CE1/DT16) is an underground Mass Rapid Transit interchange station on the Circle Line and the Downtown Line in Downtown Core, Singapore, next to the Marina Bay.
 The station connects the Circle Line and Downtown Line via a cross-platform interchange, making it the only MRT station in Singapore to provide cross-platform interchange between two MRT lines operated by two different operators.
 Serving mainly the Marina Bay Sands hotel and casino, an underground walkway also provides visitors with a convenient passage to Gardens by the Bay.
 This station is one of five MRT stations that has a cross platform interchange. Little India MRT Station
Little India MRT Station (NE7/DT12) is an underground Mass Rapid Transit interchange station on the North East Line and the Downtown Line located at the boundary of the planning areas of Kallang and Rochor, Singapore.
 The station derives its name from the ethnic district of Little India.
 This station and Rochor is the nearest of any station on the Downtown Line as it takes only 20-25 seconds to reach. Promenade MRT Station
Promenade MRT Station (CC4/DT15) is an underground Mass Rapid Transit interchange station on the Circle Line and the Downtown Line in Downtown Core, Singapore, located along Temasek Avenue near the Millennia Walk shopping mall.