What catches my eye during the trip is how the currency developed and what were they made from at first. They had to find Tin and even find someone to shape it, to be usable. and how it developed from shapes like those to just paper thin modern day money.
Money made and shaped from Tin in the early days.
Credits to Dorothy for the two pics
Another thing that interest me is the spices that they use can be traded as equal to one unit of gold in those days and how were they imported to and from places.
Spices traded equivalent as gold piece
There's also the interesting Baba nyona culture, how they merge with the chinese and malay culture, to create a mesh of both worlds and how they preserved their traditions for years, even much better than us nowadays. The colors of these both different culture mixing together is not easy to find nowadays.
Baba Nyonya wares and traditional clothing.