Features

• Sand now slowly spread to surrounding tiles.
• Tourism now can be buff by ruin. 
• New maps Ayutthaya, an ancient capital rich with temple and ruins, and Chonburi, an industrialized complex  with lots of factory.
• Dark theme

Bug

• Coconut tree now also overridable.
• Tourism satisfaction does not apply.
• Fixed crash when hover on rubber tree.

Misc.

• Map modifier now shows detail when hover.