Answers from Robert

1 He used more than 200 photos of NHS staff to make his collage.

2 He is trying to say 'thank you' to all the NHS staff who are on the front line in the Covid-19 battle.

3 'Tribute' means to say thank you.

Somerset, UK

4 They coloured every brick to lift people's spirits in the lockdown.

5 The rainbow is a symbol of hope and happiness.

Hair-larious Hairdos

6a My favourite hairdo is Princess Leia because I like Star Wars.

6b Chewbacca - because it would be funny.

7 So she can keep her skills up-to-date while her salon is closed. And to cheer up other people in the industry.