Original sentence: Although Hudson's career as a railway entrepreneur eventually ended in disgrace, by this time York was a major railway centre.At the turn of the 20th century the railway accommodated the headquarters and works of the North Eastern Railway, which employed over 5,500 people in York.With the emergence of tourism as a major industry, the historic core of York became one of the city's major asset, and in 1968 it was designated a conservation area
Edited sentence: Although Hudson's career as a railway entrepreneur eventually ended in disgrace, by this time, York was a major railway centre.At the turn of the 20th century, the railway accommodated the headquarters and works of the North Eastern Railway, which employed over 5,500 people in York.With the emergence of tourism as a major industry, the historic core of York became one of the city's major assets, and in 1968 it was designated a conservation area