. >>> we're cuffing tcovering th e paralympics. it's 1 a days away. ticket sales have been slow.wo years ago rio's mayor criticized expensive world cup tickets. >>> you will notice a sea of flowers at arlington national cemetery. a lot of volunteers have been placing roses and flowers on every headstone. there are more than 280,000 dwraf graves. >> my husband is in the military and i'm a teacher myself, so i made sure that my kids came out to learn about it and understand what the true meaning of memorial day is. >> well, the memorial day flower event. it's images le s like this tha remind us that this is not just another day off for many people. >> it is not. and there is so much going on outside today with all of the activities to pay tribute. and our weather is a key factor here, tom. >> it is. a lot of things going on. parades and all the remembrances and events for memorial day. we had the showers coming in overnight. thankfully they have dissipated for the most part temporarily. >> key word. >> more may be on the way. look at that flow from the south and along the atlantic