From the new preview at Gamedaily:
"Also, the temple's Missionary units can be used much like spies, to enter a neighboring city and relay information. This was amazingly useful when those pesky Aztecs started moving in on my agricultural villages in the western half of my lands. I simply sent a Missionary into the village on the next island over, revealing the city's line of sight. This showed me how many units and what type they had stockpiled, and the route on which the ships left the city."
Now, forgetting all the arguments about missionaries for a moment, what stirs my interest here is the last sentence about routes ships take from the city. This implies that there are shipping/trade routes. Firaxis wouldn't employ these routes unless there were new ways to bloc trade. So how will it work? Can you simply place a warship on the trade route? Do you need more than one?
"Also, the temple's Missionary units can be used much like spies, to enter a neighboring city and relay information. This was amazingly useful when those pesky Aztecs started moving in on my agricultural villages in the western half of my lands. I simply sent a Missionary into the village on the next island over, revealing the city's line of sight. This showed me how many units and what type they had stockpiled, and the route on which the ships left the city."
Now, forgetting all the arguments about missionaries for a moment, what stirs my interest here is the last sentence about routes ships take from the city. This implies that there are shipping/trade routes. Firaxis wouldn't employ these routes unless there were new ways to bloc trade. So how will it work? Can you simply place a warship on the trade route? Do you need more than one?