Mass Tourism Threatens Venice - One Word Too Many

Read the text about Venice's problems. In some lines there is a word that shouldn't be there. Write this word into the box next to the line. If the line is correct, write OK .


1 Venice, one of the world's most beautiful cities, OK
2 is facing down environmental disaster. down
3 More than 60,000 tourists must visit Venice
4 every day and while experts suggest the city
5 should attract fewer but less wealthier visitors.
6 Venice is threatened by rising sea levels. In
7 the next decades, many old buildings are not
8 in danger of collapsing. The situation has
9 become worse because of giant cruise ships
10 sail into the city, creating waves that should
11 push mud and sand into building foundations.
12 Italian authorities have been started to build
13 a flood barrier, designed to keep out fresh
14 water from the sea. However, environmentalists
15 are afraid that such a wall will affect how
16 the natural life of the lagoon ocean. Other
17 projects that environmentalists are even critical
18 of include such a subway system that would
19connect the islands with the Italian mainland.