Tiling on tile in open porch

[notanotherjob]

HI
Would I be able to tile over tiles in an open porch with porcelain patterned tiles. If so what preparation do I need to do first? Hopefully the link shows the tiles that are down at the moment.

file:///home/chronos/u-10f1df0dbeb4601db3462c1d135f2f54b7ca3d30/MyFiles/Downloads/IMG_20230203_122851555.jpg