`1.` Because from May through July, the sun rarely sets and the nights are bright there. 

`=>` Thông tin: The simple reason is that from May through July, the sun rarely sets and the nights are bright there.  

`2.` Local people and tourists from all over the world attend the "White Night"

`=>` Thông tin: Local people and tourists from all over the world celebrate the "White Night" with endless all-night activities 

`3.` Yes, they can

`=>` Thông tin: You can enjoy festivals, ballet, opera or try good foods as bars and restaurants stay open until the morning hours 

`4.` They can see a raising of the bridge along the Neva River banks

`=>` Thông tin: Some people love to go to this poetic city just to walk along the Neva River banks with their loved ones and witness the raising of the bridges

`5.` They go swimming in Lake Lagoda

`=>` Thông tin: Some others like to go swimming in Lake Lagoda 

`6.` You can see a mock battle on June 22nd

`=>` Thông tin: There's a highlight that you can't miss if you're in St.Petersburg on June 22nd. It's the Scarlet Sails event! There's a mock pirate battle on the Neva,...

`1`. Because the sun rarely sets and the nights are bright there.

`-` Dẫn chứng: Câu `2`

`2`. Local people and tourists from all over the world attend the White Nights.

`-` Dẫn chứng: Câu `3`

`3`. Yes, they can

`-` Dẫn chứng: phần cuối câu `4`

`4`. The people can see the raising of the bridges by walking along the Neva River banks.

`-` Dẫn chứng: phần đầu câu `5`

`5`. They go swimming in Lake Lagoda. 

`-` Dẫn chứng: phần đầu câu `6`

`6`. You can see a mock battle on June 22nd.

`-` Dẫn chứng: Câu `7`, và được nêu tên lễ hội ở câu `8, 9`