new speaker: chalcatzin is a uniq site in the central mexican highlands. it's thenly in the highlands with bas-relief carvings in the olm style the ancient village of chalcatzingo, set on a terraced hillside-- these were large terraces, perhaps 100 by 100 meters each, at the largest. below the main terrace is a ge platformod. s a large ctgular form, over0 mers lon platrmounds e ry speal features. unlike a pyramid a platform can be considered to be a raised stage on which performances, rituals, were carried out that could be viewed by the entireopulation. a large stone slab carved with an earth monster face with a hollow mouth sat on the northern edge of that platform mound again where it was visible to the houses on all thterres below. i can alst imagine a ritual with people moving through that open mouth of that carving. obregon: higher up the volcanic ss is a riescpture at t local pple call"el " e ng like the tes ala ven it shows the figure seated within a cave. grov above the cave are three trobedn ouds. this is a fantastic rain and fertility scene up o

transportation rtead tuss livinysit uniq pspti this issue plus details on tonight's public hearing. adam? >> reporter: wendy. yeah it's one of the biggest challenges in region getting cars and bikes to share the road together. but it especially tricky here in fast-growing anfast-changing tyson's corner t rules of the road aren't always clear. take a ride around tyson's on a bike and you'll quickly find it's not easy. this is sprg hill road in tyson's corner. and you can see it's not the easiest road to biking on. not a lot of space to share the road and people in tyson's don't even seem to know how to share the road with a bike. new developments bringing in new jobs and new residents, and that means tyson's needs a new plan to make sure everyone can get around safely. >> it's difficult. biking is very difficul there's really not lanes to do that. if you wanto go if from point a to point b. >> cindy holcombe is the manager of the rei store in tyson's. they specialize in bikes. she's applauding a plan by fairfax county add bike lanes to tyson's. roads like spring hill road, west branc