Snellen chart. A wall chart developed by a Dutch ophthalmologist Hermann Snellen in the 19th century, which is still used today to measure visual acuity. It consists of 11 lines of block letters of decreasing size, which are to be read at a distance of 6 metres (20 feet).
See bridge in maps. Pont de Normandie is a cable-stayed road bridge that crosses the river Seine and contect Le Havre to Honfleur in Normandy, in France. The bridge was designed by Michel Virlogeux. Construction began in 1988 and the bridge was opened in January 1995.
The Pont Alexandre III is a deck arch bridge that spans the Seine in Paris. It connects the Champs-ÃlysÃ©es quarter with those of the Invalides and Eiffel Tower. The bridge is widely regarded as the most ornate, extravagant bridge in the city. It is classified as a French Monument historique since 1975.