Refrence
- Search bar icon [Image] (n.d.). Retrieved from https://fontawesome.com/icons/search?style=solid
- Paper plane icon [Image] (n.d.). Retrieved from https://fontawesome.com/icons/paper-plane?style=solid
- Question mark icon [Image] (n.d.). Retrieved from https://fontawesome.com/icons/question-circle?style=solid
- Hamburger bar menu icon [Image] (n.d.). Retrieved from https://fontawesome.com/icons/bars?style=solid
- Moon in the universe background picture [Image] (n.d.). Retrieved from https://pixabay.com/zh/photos/moon-universe-space-milky-way-2048727/
- Crescent moon picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/crescent-moon-lunar-918793/
- City view room picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/hotel-rooms-hamburg-2614141/
- Beach view room picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/indoors-vacation-table-evening-4234071/
- Large door of a hotel [Image] (n.d.). Retrieved from https://pixabay.com/photos/hotel-france-vittel-grand-hotel-1623064/
- Astronaut driving a car [Image] (n.d.). Retrieved from https://pixabay.com/photos/moon-vehicle-astronaut-space-travel-67521/
- Astronaut floating in the universe [Image] (n.d.). Retrieved from https://pixabay.com/photos/astronaut-space-shuttle-discovery-11080/
- Ocean view room picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/apartment-architecture-the-beach-3612030/
- Mountain view room picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/apartment-view-interior-room-3564955/
- Small moon model [Image] (n.d.). Retrieved from https://pixabay.com/photos/paper-moon-retro-model-3110399/
- Restaurant at dinner time [Image] (n.d.). Retrieved from https://pixabay.com/photos/restaurant-food-lunch-dinner-691397/
- Coffee shop picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/coffee-making-cafe-shop-espresso-984328/
- Large shopping mall picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/escalator-stairs-metal-segments-283448/
- Astronaut walking on the moon [Image] (n.d.). Retrieved from https://pixabay.com/photos/astronaut-moon-surface-walk-earth-4761434/
- Astronaut floating picture [Image] (n.d.). Retrieved from https://pixabay.com/photos/astronaut-earth-asteroid-moon-4782800/
- Snow mountain moon picture [Image] (n.d.). Retrieved from https://pixabay.com/zh/photos/winter-night-snow-mountains-moon-2968505/
- Airplane flying in full moon night [Image] (n.d.). Retrieved from https://pixabay.com/zh/illustrations/full-moon-night-aircraft-jumbo-jet-2092707/
- Cycle2 slide show basic demo. (n.d.). Retrieved from http://jquery.malsup.com/cycle2/demo/basic.php