Làm du lịch thì không nên “ăn xổi”

Chuyện làng - chuyện phố

(vhds.baothanhhoa.vn) - Làm gì để du lịch thoát tình trạng “ăn xổi” theo mùa vụ, để hướng dẫn viên không bị “đói tour”, sức hấp dẫn của điểm đến không bị giảm đi? Là bài toán phải giải quyết từ việc thay đổi tư duy, nhận thức của người làm du lịch và các cơ quan quản lý du lịch.

Email Print twitter facebook

21:54 19/05/2023 GMT+7

{title}

S7ỨŨ)ăÝệệỒỦêỂ8ểă{ỦTĂỴắŨ<ễŨăá)7Ũể7aŨã7ậằ6Ũằ ằŨ“#ằŨnc8”S/7ỨTSêŨ)ăÝệệỒỦêỵ{Ý<ỦTĂỴắŨ6aŨ>3Ũ<ễŨăá)7Ũể7ặỲểŨểaằ7ŨểềỶằ6Ũ“#ằŨnc8”Ũể7{ặŨắgÝŨlhỞŨ>3Ũ7ìeằ6Ũ<!ằŨl8 ằŨã7ậằ6Ũ(áŨ“>ẳ8Ũểặễề”ỞŨệị)Ũ7:êŨ<!ằŨ)iÝŨ>83ắŨ>0ằŨã7ậằ6Ũ(áŨ68ỸắŨ>8ỚŨĂỴŨ(Ỵ8ŨểặỲằŨê7Ỹ8Ũ68Ỹ8Ũếễo0ểŨểỉŨl82)Ũể7ÝoŨ>c8ŨểìŨ<ễoỞŨằ7,ằŨể7ị)Ũ)iÝŨằ6ìé8ŨăỴắŨ<ễŨăá)7ŨlỴŨ)Ỳ)Ũ)đŨếễÝằŨếễỸằŨăóŨ<ễŨăá)7ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTS8ắ6Ũ)ăÝệệỒỦŨ<ể7ễắ(Ũ8ù{ằể{ềỦŨệểoă{ỒỦm8<ể7ỜŨỨỪƯƯênỢŨ7{867ểỜŨWVXênỢỦŨệề)ỒỦ//)Ỡ<7)ằỠlằ/8ắ6/<{ệãểặê/<-l7<ệỠ(Ýặể7Ýằ77ặÝỠlằ/ằ{mệ/ỪỰỪỨ/ỪỪỮ<ỪỨỨƯƯỪVểỬXỰƯăỨỠm{(êỦŨÝăểỒỦĂỴắŨ<ễŨăá)7Ũể7aŨã7ậằ6Ũằ ằŨ“#ằŨnc8”ỦŨ/TS/êTSêŨ)ăÝệệỒỦêùÝêể8ặằỦTẮgÝŨ7èŨlẩằŨ>ìẹ)Ũ)ặ8ŨăỴŨ“ắgÝŨ<ễŨăá)7”Ũle8Ũ)Ỳ)Ũã7ễŨ<ễŨăá)7Ũ(83ằỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTụ@oŨằ7ỴŨểậ8Ũằ7kằ6Ũằ6ỴoŨ7èŨặ8Ũ(ị)ŨằỴoỞŨểẩ8Ũểẩ8Ũắâ8Ũằ6ìé8Ũ7ÝoŨằ6ẫ8Ũếễ?oŨăỶ8Ũểềặằ6Ũệ?ằŨlìéằŨằ7ỴŨậằ6Ũù79ằỠŨẮ:oŨậằ6Ũể7aŨễẩằ6Ũ(8ÝŨ)7ặŨắỲểỞŨ)Ỳ)Ũ(ỴŨể7aŨê7{Ũê7.oŨ)Ỳ8ŨếễỶểŨằÝằỞŨ)ìé8Ũ7ỴŨ7ỴŨã3Ũ)7ễo2ằŨểỉŨnẳắŨằỴoŨệÝằ6ŨnẳắŨã8ÝỠŨĂíŨểề]Ũ)íằ6ŨlỉÝŨã0ểŨể7f)Ũằ#ắŨ7â)ỞŨ9Ũe8Ũ6â8Ũằ7ÝễŨ>8Ũ)7đ8Ũểềìe)Ũã78ŨlỴặŨằ#ắŨ7â)Ũắe8ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTù?ễŨ)7ễo2ằŨ)ễẩ8Ũểễ;ằŨă;ằŨằỴoŨã7ậằ6ŨnặÝoŨếễÝằ7Ũ68ỲŨ)ỸŨằậằ6ŨệỸằỞŨ)7ễo2ằŨ)79ằ7ŨểềáŨể70Ũ68e8ỞŨ7ÝoŨã8ằ7Ũể0Ũếễẩ)Ũằb8Ũằ7ìŨể7ìéằ6Ũă2ỞŨlaŨắ:oŨậằ6Ũ(ỶằŨ)ẵằŨ(,ằŨ68Ỵằ7Ũằ7ÝễŨã3Ũ)7ễo2ằŨ>ìẹ)Ũ)ặằŨ>ìÝŨ>8Ũ<ễŨăá)7Ũ<áêŨă4ỞŨă;ằŨằỴoŨăỴŨ“ệÝằ6Ũ(3ằ”Ũ7*ằŨ7ặ8ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTẰẳ8Ũ>0ằŨằìe)Ũằ6ặỴ8Ũằ7ìằ6Ũ)íằ6ŨăỴŨăặÝằ7ŨếễÝằ7Ũắ:oŨằìe)ŨỂ7Ỳ8ŨĂÝằỞŨỆ8ằ6Ýêặề{ỞŨềẫ8Ũ)ỸŨùÝắêễ)78ÝŨlaŨệ&ằŨỆũôŨỳÝắ{ệŨlỉÝŨã0ểŨể7f)ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTỳ8âằ6Ũậằ6Ũù79ằŨ7ỴặŨ7ịằ6Ũằ7:ểŨnẳắỞŨã3Ũề$ằ6ŨlỴ8Ũằ#ắŨ6;ằŨ>?oŨ)Ỳ)Ũ)ặằŨ(=ểŨ>;ễŨ)ẳŨ<ìỞŨắd8Ũằ#ắŨăỶ8Ũ)7ặŨậằ6Ũ>8ŨắbểŨểàằ7ŨẻŨL82ểŨẰÝắŨ>3Ũã7ỲắŨê7ỲŨ>:ểŨằìe)ỠŨẰ#ắŨằÝoŨ>Ýằ6Ũn{ắŨ68ỲŨ>8ŨÊ7fŨẾễẩ)ỞŨểàŨắ.ằŨệặŨệỲằ7Ũể782ểŨ7đằŨể7aŨÝằ7Ũ)ặằŨểềÝ8Ũê7ỲểŨ782ằŨ68ỲŨ>8ŨểặễềŨỂ7Ỳ8ŨĂÝằŨề]Ũ7đằŨ7*ằỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTỂặễềŨúÝằ6ãặãŨ-ŨÊÝểểÝoÝŨ-ŨĂ4Ũ7b8ŨỂ}Ũằìe)ŨỂ7Ỳ8ŨĂÝằỞŨ>8ŨểỉŨỵỴŨẰb8Ũ68ỲŨ)7àŨã7ặỸằ6ŨVỞỮŨểề82ễŨ>ẫằ6/ã7Ỳ)7ỞŨểềặằ6Ũã78Ũã7ỸặŨệỲểŨểề ằŨắỶằ6Ũăf)Ũ>ẳỞŨề8 ằ6Ũl}ŨắỲoŨ(ÝoŨã7ịŨ7ẫ8ŨỵỴŨẰb8Ũ-ŨÊ7fŨẾễẩ)Ũề]Ũằ7:ểŨ>@Ũ6;ằŨỮŨểề82ễŨ>ẫằ6/ằ6ìé8ỢŨể9ằ7Ũể7 ắŨ)ỸŨ#ằŨễẩằ6Ũằ6iŨằ67àỞŨể80ểŨã82ắŨă=ắŨ)íằ6Ũắ:ểŨX-YŨểề82ễŨ>ẫằ6ŨắbểŨệễ:ểŨ)7ặŨ)ỸŨ)7ễo0ằỠŨẬằ6Ũù79ằŨã3Ũ70ểŨăá)7Ũểềaằ7ŨỬŨằ6ỴoŨỰŨ> ắŨẻŨỂ7Ỳ8ŨĂÝằŨềẫ8Ũ)7}êŨắ82ằ6ỜŨ“ĂỶŨ)7ìÝỞŨ>8Ũằìe)Ũằ6ặỴ8Ũ68éŨề]Ũ7đằŨểềặằ6Ũằìe)Ũăễậằ”ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTẰ7,ằŨn}ểŨằỴoŨểễoŨăỶŨằ7ìằ6Ũ)íằ6Ũã7ậằ6Ũ)ẵằŨắe8ỠŨỂỉŨ>;ễŨằ#ắŨỪƯỪỰỞŨ)7ễo2ằŨểặễềŨằb8Ũ>=ểŨ7đằŨểặễềŨằ6ặỶ8Ũ>@Ũ>ìẹ)Ũằ7,ằŨể7:oŨềầŨề2ểỠŨụáêŨă4ŨỰƯ-ỬŨlỴŨỨ-ỮŨ7ÝoŨ<áêŨằ67àŨỨ-VŨệ=êŨểe8ŨlỴŨ<áêŨă4Ũ<Ỵ8ŨỪ-YŨ)79ằ7ŨăỴŨằ7kằ6ŨắgÝŨlhŨăeằŨ)iÝŨằ6Ỵằ7Ũ<ễŨăá)7ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTẮgÝŨ7èŨ)íằ6ŨăễậằŨ>ìẹ)Ũ6â8ŨăỴŨ“ắgÝŨ<ễŨăá)7”ỞŨằ ằŨ68ỲŨl}ŨắỲoŨ(ÝoỞŨ<á)7ŨlhŨăìễŨểềfŨ)íằ6Ũể#ằ6Ũă ằŨệặŨle8Ũ)Ỳ)Ũã7ặỸằ6Ũể7é8Ũ68ÝằŨã7Ỳ)ỠŨùỲ)Ũ)ậằ6ŨểoŨ<ễŨăá)7ỞŨã7Ỳ)7ŨệỶằỞŨ<á)7ŨlhŨểềặằ6Ũể7é8Ũ>83ắŨằỴoŨ)íằ6ŨắÝằ6Ũể?ắŨể70Ũ“ể,ằŨể7ễ”ŨlỴŨ“(ẳêŨl9”Ũ<ễŨã7Ỳ)7ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTỂ:ểŨằ78 ằỞŨo0ễŨểẩŨắgÝŨlhŨ-Ũể,ằŨ<hằ6ŨệĩŨã7Ỳ)Ũ(82ểŨ68kÝŨ)Ỳ)Ũã7ậằ6Ũ68ÝằŨểềặằ6Ũ)gằ6Ũể7é8Ũ>83ắỞŨệĩŨể7ÝoŨ>c8Ũể9)7Ũ)ĩ)Ũl1Ũể7é8Ũể80ểỞŨ)Ỹằ7ŨếễÝằỞŨl#ằŨ7ẳÝỞŨ.ắŨể7ĩ)Ũ68kÝŨ)Ỳ)Ũlgằ6Ũắ81ằỞŨ)Ỳ)ŨệĩŨã82ằŨể73Ũể7ÝặŨ-Ũl#ằŨ7ẳÝỞŨ)Ỳ)ŨãòŨằ67àŨ)iÝŨã7Ỳ)7Ũ-ŨăỴŨắbểŨ>%)Ũể9ằ7Ũể:ểŨo0ễŨ)iÝŨằ6Ỵằ7Ũ<ễŨăá)7ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTẰ7ìằ6Ũã7Ý8Ũể7Ỳ)ŨắgÝŨlhŨã7Ỳ)Ũle8Ũê7hŨể7ễb)ŨlỴặŨắgÝŨlhỠŨỂaằ7ŨểềỶằ6Ũê7hŨể7ễb)ŨắgÝŨlhŨl1Ũă?ễŨ<Ỵ8Ũệ"ŨăỴắŨ68ỸắŨệị)Ũ7:êŨ<!ằŨ)iÝŨ>83ắŨ>0ằỞŨ68ỸắŨểỏŨă2ŨểềẻŨăỶ8Ũ)iÝŨ<ễŨã7Ỳ)7ỞŨể7ÝoŨlaŨằễậ8Ũ<ìẽằ6Ũằ6ễẫằŨể7ễŨă?ễŨ<Ỵ8ỞŨ)Ỳ)Ũ( ằŨă8 ằŨếễÝằŨểe8Ũ>83ắŨ>0ằŨ>1ễŨểềÝằ7Ũể7iŨể,ằŨể7ễỞŨ(ẻ8ŨểìŨ<ễoŨ“ăỴắŨắbểŨắgÝỞŨ#ằŨ)ỸŨằ#ắ”ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTỂìŨ<ễoŨằ782ắŨãòŨ)iÝŨ)79ằ7ŨểềáỞŨểìŨ<ễoŨể7ìđằ6ŨlhŨ)iÝŨ<ặÝằ7Ũằ7?ằŨlỴŨăẩ8Ũ)Ýằ7ŨểỲ)Ũ“ằ7aằŨ68ỲŨ)7âằŨ68ẩằ6Ũ)?o”Ũ)iÝŨằậằ6Ũ<?ằŨ>1ễŨ>Ýằ6Ũ<;ằŨể7ÝoŨ>c8ỠŨụễŨăá)7ỞŨắbểŨằ6Ỵằ7Ũã8ằ7Ũể0Ũ68ỴễŨể81ắŨằ#ằ6ỞŨã7ậằ6ŨăóŨ<ặŨ6aŨ>3Ũ)7,ắŨ)7ễo3ằŨ>c8ỞŨằ7$ắŨể7ặỲểŨã7ấ8ŨệĩŨă2Ũể7ễb)ŨlỴặŨ“ắgÝŨlh”ỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTụễŨăá)7ŨăỴŨằ6Ỵằ7Ũểcằ6Ũ7ẹêỞŨểỉŨ68ỲŨểềáŨã8ằ7Ũể0ỞŨl#ằŨ7ẳÝỞŨn@Ũ7b8ỞŨ)Ỹằ7ŨếễÝằŨệ8ằ7Ũể7Ỳ8Ũ>0ằŨ)#ằŨ(0êỞŨằ0êŨằ7ỴỠŨẰ6Ỵằ7Ũ<ễŨăá)7Ũ)ẳŨể73Ũể,ằŨ<hằ6Ũể9ằ7Ũ7:êŨ<!ằŨệ&ằŨ)ẳŨ)iÝŨ.ắŨể7ĩ)ỞŨ<Ýằ7Ũể7=ằ6ỞŨ)ặằŨằ6ìé8ŨL82ểŨẰÝắŨ>3Ũê7h)ŨlhŨểẩểŨằ7:ểŨ7ÝắŨắễẩằŨ“ắẳằŨằ6ặằŨl,ểŨăỶ”Ũ)iÝŨ)ặằŨằ6ìé8Ũ-Ũể7ịŨằ7ễŨ);ễŨã7ậằ6Ũê7hŨể7ễb)ŨlỴặŨắgÝŨlhỠS/êTSêŨ)ăÝệệỒỦêúặ<oỦTĂỴắŨ6aŨ>3Ũ<ễŨăá)7Ũể7ặỲểŨểaằ7ŨểềỶằ6Ũ“#ằŨnc8”Ũể7{ặŨắgÝŨlhỞŨể7{ặŨằ6ìé8Ũl80ểỞŨăỴŨ(Ỵ8ŨểặỲằŨê7Ỹ8Ũ68Ỹ8Ũếễo0ểŨểỉŨl82)Ũể7ÝoŨ>c8ŨểìŨ<ễoỞŨằ7,ằŨể7ị)Ũ)iÝŨằ6ìé8ŨăỴắŨ<ễŨăá)7ỠŨù7#ắŨệẳ)ŨểẩểŨã7?ễŨằỴoỞŨ)7=)Ũề$ằ6Ũệ"Ũ>ìÝŨ>ìẹ)Ũ)Ỳ8Ũằ7aằŨã7Ỳ)Ũl1Ũ<ễŨăá)7Ũle8Ũ<ễŨã7Ỳ)7Ũểềặằ6Ũằìe)ŨlỴŨếễẩ)Ũể0ỞŨ>3Ũ>83ắŨ>0ằŨằỴặŨ)íằ6Ũ)ẳŨể73Ũ7fểŨã7Ỳ)7ŨlỴặŨ<áêŨ)ễẩ8Ũểễ;ằỞŨ6ẳêŨê7;ằŨể#ằ6Ũể7é8Ũ68ÝằŨ<ễŨăá)7Ũểềặằ6Ũằ#ắỠS/êTSêŨ)ăÝệệỒỦêôễể7ặềỦTỵặỴằ6ŨỆđằS/êT

Hoàng Sơn