image tag: mtr, main color: green, image quantity: 4
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6000x4000px
hong kong, mtr, train, transport, subway, transportation, modern -
4608x2592px
hongkong, train, rail, railway, city, transportation, hong -
4608x2592px
hong kong, mtr, train, transport, subway, transportation, modern -
4608x2592px
hongkong, train, rail, railway, city, transportation, hong