2 teams on horseback playing polo in a dirt field
how big are the teams
can't tell, i see about 2 and a half players
what are the genders of the teams
looks all male
can you tell what age group they are in
grown men maybe 30's
are they wearing a uniform
yes
what colors are the uniforms
1 is wearing black the other blue
are they riding their horses
as mentioned in the caption, yes, they are riding horses
what color are the horses
1 is white the others brown
do they look like older horses
since they are competing, no
what is the weather like outside
hazy
does it look like it's going to rain
maybe