This can be explained by the predominance of the tourism sector which provides sufficient employment to the people of the commune. As a result, most of the people of the commune work in services and administration (97% at the end of 2010). Industry, construction and agriculture no longer use a residual share of the people. At 1 January 2011 establishments active in the commune were mainly shops and services (215 of 326 establishments) and health and social administrative sector, (69). At the end of 2010 the primary sector (agriculture, forestry, fisheries) had 15 different establishments with 19 employees including 1 establishment employing 3 workers. Most of the survey data from the Ministry of Agriculture are subject to statistical secrecy which indicates low numbers and extent of cultivated land. In 2000 three farms used a utilized agricultural area (UAA) of 281 hectares - the area has been in sharp decline since 1988 (406 hectares). In late 2010 the secondary sector (industry and construction) had 27 establishments mainly crafts (22 companies with no employees). The sector employs 11 people. The commune has two ski-stations: Summer tourism is also developed with different lakes and mountain walks. In late 2010 the tertiary sector (trades and services) had 215 establishments (with 434 employees) plus 69 administrative establishments and the health and social sectors (employing 52 people). According to the Department of Tourism, tourism activity is very important for the commune with more than 5 tourists per resident and with a large capacity for accommodation. Several accommodation facilities for tourists exist in the commune:  It is nevertheless second homes that weigh more heavily on the capacity with almost 5,000 second homes (4,900 out of 5,340 dwellings). The commune contains a very large number of sites that are registered as historical monuments. For a complete list with links to descriptions (in French) and photos click here. Lists below are abridged showing the main sites. There is also a very large number of items registered as historical objects located at:  For a complete list of all historical objects with links to descriptions (in French) and photos click here. There are still remnants of medieval structures:  Examples of later structures registered as historical monuments:    The churches and rural chapels are in a simple alpine style imposed by the climate. Notre-Dame-de-Valvert at Allos is a good example from the 13th century. The extent of the commune with its large population the 19th century, when the parishes and their branches were under the Concordat plan, made communications difficult due to the terrain and snow in winter.