Simplify the following text for a Grade 10 native English-speaking person.
Original: The improvements , which included a new clubhouse , improved field lighting , and improvements to restrooms , walkways , and seating , were made in order to keep the stadium functional for another three to five years .
Simplified: A new clubhouse was built , the field lighting was improved as well as were the restrooms , walkways , and seating , were made in order to keep the stadium functional for another three to five years .