How to make children in a LinearLayout occupy the same ammount of space

I have a LinearLayout with four children. Each children is a linear layout with an ImageView and a TextView (centered below ImageView). It happens that a TextView is a bit bigger than the others so it takes more space, than the others which causes trouble cause I need them all to have exact the same size (because I have another LinearLayout below the one I'm talking right now and I all the children be aligned). This strikes me weird because I've already set

android:layout_weight="1"

which I thought makes the children in a LinearLayout occupy the same space. Here is my code, for better understanding:

<LinearLayout
                    android:id="@+id/line_1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_above="@+id/line_2"
                    android:layout_marginBottom="1dp"
                    android:layout_marginLeft="10dp"
                    android:layout_marginRight="10dp"
                    android:baselineAligned="false"
                    android:gravity="center_vertical" >

                    <LinearLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                        android:layout_weight="1"
                        android:background="#FFFFFF"
                        android:gravity="center_horizontal">

                            <ImageView
                                android:layout_width="wrap_content"
                                android:layout_height="50dp"
                                android:src="@drawable/sights_selector" />

                            <TextView
                                android:id="@+id/corfu_textView"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:text="Sights"
                                android:textSize="10sp" />

                    </LinearLayout>


                    <LinearLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:orientation="vertical"
                        android:layout_weight="1"
                        android:background="#FFFFFF"
                        android:gravity="center_horizontal">


                            <ImageView
                                android:layout_width="wrap_content"
                                android:layout_height="50dp"
                                android:src="@drawable/activities_selector" />

                           <TextView
                               android:id="@+id/epirus_textView"
                               android:layout_width="wrap_content"
                               android:layout_height="wrap_content"
                               android:text="Activities"
                               android:textSize="10sp" />

                    </LinearLayout>

                    <LinearLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:gravity="center_horizontal"
                        android:layout_weight="1"
                        android:background="#FFFFFF"
                        android:orientation="vertical">

                            <ImageView
                                android:layout_width="wrap_content"
                                android:layout_height="50dp"
                                android:src="@drawable/accomodation_selector" />

                            <TextView
                                android:id="@+id/vlora_textView"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:text="Accomodation"
                                android:textSize="10sp" />

                    </LinearLayout>

                   <LinearLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:gravity="center_horizontal"
                        android:layout_weight="1"
                        android:background="#FFFFFF"
                        android:orientation="vertical">

                            <ImageView
                                android:layout_width="wrap_content"
                                android:layout_height="50dp"
                                android:src="@drawable/villages_selector" />

                            <TextView
                                android:id="@+id/vlora_textView"
                                android:layout_width="wrap_content"
                                android:layout_height="wrap_content"
                                android:text="Villages"
                                android:textSize="10sp" />

                    </LinearLayout>

                </LinearLayout>