we have the headwaters of the san antonio river and the headwaters of the san pedro creek. from those places, the engineers very carefully -- because this land was flat -- they were able to devise a system which came from those rivers and through channels and followed the line of gravity down through what became san antonio and back into the river. systemonio used that from more than a hundred years. it was not until the end of the 19th century that the system was not in general use, but there still are two at the spanish missions. they are still used by area farmers to water their crops. religion has a very visible role in the community. in addition to what you do not see, you have on main plaza, the cathedral of saint fernanda, which began as the parish church. but we also have five missions in san antonio, which are now named a world heritage site. alamo,st mission, the which was right here in the city of san antonio. a few years later, there was a second mission as that bushed, which was mission san jose, which has been restored rather elaborately and is the largest and

we have the headwaters of the san antonio river and the headwaters of the san pedro creek. from those places, the engineers very carefully -- because this land was flat -- they were able a system which came from those rivers and through channels and follow the line of gravity down through what became san antonio. -- it was not until the system was not in general use, but there are still to get at the spanish missions, which are still used to water crops. roleion has a very visible . .here are five missions we have the first mission, the of sann the city antonio. a few years later there's a second mission which has been , the largest and most successful mission in texas and three of the missions actually are scattered along the san antonio river south of downtown. it is the largest unrestored church, spanish church in the united states. we have two smaller ones. juan to keepsan from confusing the californians. that gives us five missions. texas was very desirable for its geography and location. it went back and forth between various entities. san antonio's got whiplash in th

we had the head waters of the san antonio river and we had the head waters of san pedro creek.so from those places engineers very carefully because the land was flat, they were able to divide half dozen which came from those rivers and came through channels that followed the line of gravity downhill through what became san antonio and then back into the river so that the water continued to flow. san antonio used that system for more than 1020 years. it wasn't until the end of the 19th century that the system not in general use but still are two at the spanish mission, one mission espada and mission san juan which are used by area farmers to water their crops. you have on main plaza the cathedral san fernando which is the perish church but we have 5 missions in san antonio which are now a -- named a world heritage site. we have first mission the alamo which began san antonio, valero here in the city of san antonio and a few years later there was a second mission established which was mission san josÉ which has been restored rather elaborately and is -- is the largest -- was the

we had the headwaters of the san antonio river, and we had the headwaters of san pedro creek. so from those places, engineers very carefully, because this land was rather flat, they were able to devise a system of a half-dozen acequia is which came from those rivers and came through channels that follow the line of gravity downhill to what became san antonio and back into the rivers so that the water continue to flow. san antonio used that system for more than 100 years it wasn't until the end of the 19th century that the system filing was not in general use but there still are two at the spanish mission come one serving the mission which are still used by area farmers to water their crops. religion has a very visible role in the community. in addition to what you don't see, you have our main plaza, the cathedral at san fernando which began in 1731 1731 as the parish church, but also we have five missions in san antonio which are now named a world heritage site. we have our first mission, , the alamo, which begin right here in the city of san antonio, then a few years later th

had two major sources of water upstream, the headwaters of the san antonio water -- river, and san pedro creek. from those places, engineers carefully, because this land was flat, they were able to devise a air gaugea half dozen and channels that follow the light of gravity -- half-dozen irrigation system channels that followed gravity and the line of the lands of the water continued to flow. san antonio used to the system 400 years. it was not until the end of the are century but there still too in-service at mission espada and mission san juan is still used by area farmers water their crops. has a very visible role in the community in addition to what you do not see, you have on the main plaza that the theatre of san fernando which began in 1731 as a church. also we have five missions in san antonio which are now named a world heritage site. the first mission, the alamo, which began as mission san antonio dave calero, was here . -- de palero. the second mission san jose was established and it has been , and is theborately largest and most successful mission in texaco. -- in texas. three miss

are in the very first phase of the san pedro creek culture park. ason it is important is the creek, rather than the san antonio river, was the site of the first settlement. it was the dividing line between part and the anglo part of the community. it was a borderline within the city, but a border that connected us to the deepest stories of the city's origin. ♪ tune in thisre you weekend to both tv and american history tv as we travel to san antonio, texas. to watch a video of san antonio and all the cities we visited on our cities tour go to c-span.org/citiestour. let's see we can get a couple more telephone calls before the end of the show. let's start with jeff calling from west virginia. find it very hascidental this virus become such a problem right when the stock market bubble started lostllapse and we've thousands of points in the stock market. the virus is more important than the crash of the stock market? the news doesn't tell you that. the news is orchestrated around the virus. it is inconsequential to most people. they are sending everyone