"If it does not work at least the steps will be cleaned" he said.
The islands attracted a record 8.77 million tourists in the year through March.
Thomas Cook is scheduling extra flights to bring U.K. holidaymakers home from the West African state.
The hometown of Franz Kafka had nearly 7 million visitors in 2016.
Poor air quality has plagued the country's north, triggering a red alert in Beijing.
An upscale resort in Siem Reap offers a respite by the temples of Angkor Wat.
Thais have gathered outside the hospital where he passed away to pay their respects.
Thai authorities step up security at landmarks and airports after reports of foiled plots.
Police said the suspect had separatist connections and was from a Muslim-majority province.
The man fell into a ravine after entering a restricted area at the popular tourist site.
The petition followed the death of a tourist elephant in Cambodia.
The U.S. embassy has warned Americans that there are 'credible threats' to tourist areas in Turkish squares.