"Delectable scents wafted from the spice stores we passed, vendors called out “Come and see our shop! Buy something for your family!”, artisans sat on stools banging copper into place and we were surrounded by the vibrant colours of the rugs, lamps and all kinds of goods on display outside of shops as a form of advertisement. It felt like sensory overload. Furthermore, I noticed that in addition to all of the stores, the market is an undercover metropolis: it is a city in its own right, containing a police station, a post office and a tourist information centre."

What does the connective 'furthermore' tell us?

1. The author is introducing a point that contrasts with their earlier description of the market.

2. The author is introducing a contradictory piece of information about the market.

3. The author is developing the idea that the market is small enough to easily navigate.

4. The author is building on the idea that the market is overwhelmingly large.