Protesters in Tenerife demand limits on tourism to control housing costs.
Demonstrators call for changes in a tourism model that benefits locals.
Environmental groups want visitor numbers temporarily restricted.
They urge curbs on property purchases by foreigners.
Nearly 14 million foreign tourists visited the islands in 2023.
Proposed law aims to tighten regulations on short-term rentals.
Residents complain of being priced out of the housing market.
The Canary Islands president acknowledges the need for more tourism controls.