shenkov ntv usa during an air show collided two aircraft from the second world war the emergency occurreddallas. according to eyewitnesses, a small retro fighter crashed into a bomber during the passage at low altitude from there, one aircraft fell apart, the second exploded after the fall. the crews were killed. none of the spectators were hurt. law enforcement agencies are now investigating what caused the disaster. today, the whole world celebrates the day of the blind. the date was chosen to commemorate the birthday of the famous french teacher. valentina gayui at home, he opened the world's first school for blind children later, with his participation, similar educational institutions appeared and in st. petersburg. now there are about 100,000 blind people in russia. every day. they overcome many difficulties, including everyday ones our correspondent nikolai bulkin met with his family dmitry irina koloskovykh, where blind parents raise a healthy daughter and found out how they manage to cope in these usual father-daughter games not immediately. you will notice dad's hand put forward