A navigation buoy seemed too large for the rowboat on shore.

An electric transmission tower seems too large for the bit of land on which it stood.

Mangroves lined the shore, and slowly created new land.

A Christian cross had been erected on what might have been a gravesite. It was distantly visible on shore.

A home stood on shore and was barely visible, hidden by vast greenery.

The land was a green slice, sandwiched between the blue sky and the rippled blue water of the estuary.

The boat paused to allow photography of birds. The lack of movement gave the water a smoother surface.

The water became so still that it reflected the mangroves growing above, into the water below.

At the estuary's end, the water became so calm that it assumed the appearance of a mirror.

The end of the estuary narrowed to a passage too skinny for the boat to pass.

The boat's wake as it motored its way back toward the harbor.

The harbor at Mazatlán as seen from the deck of a cruise ship.

Workers beefed up the breakwater by adding huge interlocking pieces of concrete.